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[DSLF] Digest Number 615
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------------------------------------------------------------------------
There are 25 messages in this issue.
Topics in this digest:
1. Re: Light Pollution Education
From: rlgent1@aol...
2. Re: Request for Assistance
From: Mysids@aol...
3. Re: Request for Assistance
From: Steve Davis <w2sgd@juno...>
4. Re: Request for Assistance
From: Patrice Scattolin <scattol@videotron...>
5. Re: Re: Request for Assistance
From: "P. Edward Murray" <edward12@erols...>
6. Fw: Admiral's Hat or Hula Skirt
From: "David Penasa" <dpenasa@bplw...>
7. Fw: Re: Admiral's Hat or Hula Skirt
From: "David Penasa" <dpenasa@bplw...>
8. Lighting Technologies' New Lighting Design Software - Simply Roadway 2002 + others
From: "David Penasa" <dpenasa@bplw...>
9. Re: Lionel Waxman retracts
From: "Philip Decker" <Philip@Decker...>
10. Xenon Headlamps draw numerous complaints
From: Scott Griswold <griz@lightfromabove...>
11. GE dropped and flat lens cobraheads - accessory light shields
From: "David Penasa" <dpenasa@bplw...>
12. NEMA Model Outdoor Lighting Regulation - for states
From: "David Penasa" <dpenasa@bplw...>
13. Which is better: LPS or HPS?
From: Patrice Scattolin <scattol@videotron...>
14. Re: Xenon Headlamps draw numerous complaints
From: "Gary Reardon" <greardon@disaster-relief...>
15. Re: Xenon Headlamps draw numerous complaints
From: Kevin Conod <kdconod@optonline...>
16. Statement of Principles on Outdoor Lighting Codes of the Luminaire Section of the NEMA
From: "David Penasa" <dpenasa@bplw...>
17. In pavement crosswalk lighting systems, lane indication systems
From: "David Penasa" <dpenasa@bplw...>
18. Re: In pavement crosswalk lighting systems, lane indication systems
From: "David Penasa" <dpenasa@bplw...>
19. Mar 21 EPC Mtg & City of ABQ Night Sky Protection Task Force Recommendations
From: "David Penasa" <dpenasa@bplw...>
20. Re: Re: Greg Mort's Support of IDA
From: IDA <IDA@DARKSKY...ORG>
21. Re: Xenon Headlamps draw numerous complaints
From: "Gary Reardon" <greardon@disaster-relief...>
22. Progress IS being made
From: "James Benya" <jbenya@benyalighting...>
23. County Zoning calls for responsible lighting.
From: patric@ghostriders...
24. Re: Xenon Headlamps draw numerous complaints
From: "P. Edward Murray" <edward12@erols...>
25. Re: Which is better: LPS or HPS?
From: "James Benya" <jbenya@benyalighting...>
________________________________________________________________________
________________________________________________________________________
Message: 1
Date: Wed, 20 Mar 2002 08:09:17 EST
From: rlgent1@aol...
Subject: Re: Light Pollution Education
Hi Mike,
Thank you for letting us know about this and posting this message to the
DSLF. Over the past years, there have been many IDA working groups formed,
but two you need to contact are the IDA Education Working Group and the IDA
Youth Activities Working Group. They may have some ideas for your talk in
August. There should be direct links to these from our web site. In fact,
there should be links to all IDA working groups. You have any problems
contacting them, please let me know.
We just completed another exciting IDA annual conference. There will be much
news to share with each of you soon. I am now returning to my home base in
Italy, and will be away from e-mail for a couple days of travel.
All of you are doing a fine job "educating" everyone about the importance of
protecting our nighttime environment and our heritage of dark skies. Keep up
the good work!
Best wishes,
Bob Gent
European Liaison Officer
International Dark-Sky Association
www.darksky.org
***************************************************************
Protecting the nighttime environment and preserving
our heritage of dark-skies through quality outdoor lighting
<< Message: 2
Date: 19 Mar 2002 17:27:22 -0500
From: Mike Hansen <mhansen@einhornresearch...>
Subject: Request for Assistance
I have been selected to make a presentation at the North American
Association for Environmental Education conference in Boston this August
titled "Reducing Light Pollution Through Education."
This presentation has the potential to reach a lot of educators from across
North America who work in school and non-school settings. Most of these
people have never even heard of the topic of light pollution.
While I have a wealth of material to start with, I would love to hear from
anyone who has done any work with young people that involves this issue.
Curricular materials, lesson plans, experiments, etc.: information about how
you have used any of these would be most welcome.
Please, if you think you have something that might be useful to me (or can
point me to someone else), drop me a note directly (rather than through the
Dark Sky List).
Thanks in advance. I'll let you all know how it goes.
--
Mike Hansen
2561 Massachusetts Avenue #1
Cambridge, MA 02140-1020
617-661-6520
mhansen@einhornresearch... >>
________________________________________________________________________
________________________________________________________________________
Message: 2
Date: Wed, 20 Mar 2002 09:11:04 EST
From: Mysids@aol...
Subject: Re: Request for Assistance
"Environmental Education conference in Boston this August titled "Reducing Light Pollution Through Education."
This presentation has the potential to reach a lot of educators from across North America who work in school and non-school settings. Most of these people have never even heard of the topic of light pollution.
While I have a wealth of material to start with, I would love to hear from anyone who has done any work with young people that involves this issue.
Curricular materials, lesson plans, experiments, etc.: information about how you have used any of these would be most welcome."
Mike,
I have provided a number of marine science educational field, laboratory and classroom presentations, including light pollution. First, go to the Lite Lynx site (http://members.aol.com/ctstarwchr/LiteLynx.htm#results), click on "Flora and Fauna" and stroll down to the bottom of the page to "Understanding the Effects of Light Pollution on Wildlife". Make a master copy powerpoint presentation, shorten it as you see fit. Distribute or show it to your audience or classroom.
Field trips: Go to urban waterways where residential or industrial settings. Make note of all waterway habitats (wetlands, trees, mudflats, creeks) that are subject to light trespass from surrounding properties. Make a map of the area showing the locations of the habitats and lights. Highlight the intended target area of the light. Then highlight the areas subject to light pollution trespass, water surface reflections and sky glow. Observe any wildlife activity. Have students note the visual clarity of the area. Then go to another urban waterway where there is no or minimal light pollution present and make the same notes. Compare the light polluted environment vs non-light polluted environment. If using a boat to conduct this field trip, ensure all safety precautions are met with proper equipment. You can also make comparison of visual navigational ability to operate a boat on light polluted and non-light polluted waterways. Make notes on the illumination clarity of the standard channel markers under light vs non-light polluted conditions. If your audience is recreational or commercial boaters go to the website (http://members.aol.com/ctstarwchr/LiteLynx.htm#presentations) and scroll down to "Light Pollution and Boating Safety". View and determine if this will help you. If you are a photographer, this presentation can be enhanced with an actual photo showing shoreline light glare reduces the illumination of night navigation channel markers.
Laboratory experiments: Short term experiments showing diurnal and nocturnal behavior of wildlife.
1. Small flounders in small aquariums; illuminated with an overhead light and no illumination (dark). Compare flounder color patterns of each group. Then change the lighting on each group. Compare the flounder color patterns again of each group. Carefully keep water temperture constant and release the flounders when finished.
2. Wasps in a large small-mesh wire cage; Under light conditions, observe activity, agitate if necessary to promote flying behavior. Then immediately turn off light or cover with dark cover. Wait a few seconds and then turn the lights back on or remove the cover; make a note of their response before and after. Release the wasps when finished.
Good luck. You should compile your presentation on the IDA and Lite Lynx site when finished so others can use it as a resource.
JNoles
Chesapeake Bay
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Message: 3
Date: Wed, 20 Mar 2002 09:24:25 -0500
From: Steve Davis <w2sgd@juno...>
Subject: Re: Request for Assistance
A few simple handouts with diagrams to take home as reminders
and to show friends is a good idea. Demonstrations like what
Bob Crelin does are much better than words and having people
falling asleep. Get the audience to participate, and ask
them questions. Keep it short - 30 minutes max.
MOST IMPORTANTLY: Put the preaching into practice with a trip
outside - day or night with night preferred. They have to see it
in the real world; otherwise, it all stays in the classroom, and
they can't tell good from bad and won't be able to explain it. -sd
________________________________________________________________
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________________________________________________________________________
________________________________________________________________________
Message: 4
Date: Wed, 20 Mar 2002 09:59:08 -0500
From: Patrice Scattolin <scattol@videotron...>
Subject: Re: Request for Assistance
Mike Hansen wrote:
>I have been selected to make a presentation at the North American Association for Environmental Education conference in Boston this August titled "Reducing Light Pollution Through Education."
>
>This presentation has the potential to reach a lot of educators from across North America who work in school and non-school settings. Most of these people have never even heard of the topic of light pollution.
>
One effective trick I have seen used is the use f actual street light
fixtures as a prop.
The one presentation I had seen only had one full cut off fixture
complete with HPS bulb
and it showed how the light all goes down and doesn't go up by pluging
the fixture into
the wall and turning it on. You can see light pollution this be
observing the clear
delination on the classroom wall as to where the light goes and doesn't
go. No
light goes above the horizon.
I didn't see this but if you could also have light polluting drop glass one
you could probably contrast it by turing on the polluting one and
observe the the light
goes way above the "horizon" as observed from the classroom wall and
that it's
also far more annoying with all the glare with all the light that
doesn't go at
the right place.
Of course the real trick here is that you actually use a real street
light fixture as live
classroom teaching aid and being that you never get to see these upclose
it's
an instant attention grabber and very effective at getting the message
across.
________________________________________________________________________
________________________________________________________________________
Message: 5
Date: Wed, 20 Mar 2002 10:01:57 -0500
From: "P. Edward Murray" <edward12@erols...>
Subject: Re: Re: Request for Assistance
Get that poster The United States at Night.
For anyone outside the U.S....The World at Night.
Explain that these are real photos and tack on
whatever the current $ amount of wasted electricity
this is.
If you can locate a photo of the Milky Way
ask them if they have ever seen it.
THEN...
Explain that the Milky Way is bright enough to cast
shadows....Last Summer, one of our BMAA club members,
Ed Radomski, traveled to Africa to see the eclipse.
When he returned he told us that The Milky Way did
indeed cast shadows of the trees.
Ed
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Message: 6
Date: Wed, 20 Mar 2002 10:47:49 -0700
From: "David Penasa" <dpenasa@bplw...>
Subject: Fw: Admiral's Hat or Hula Skirt
----- Original Message -----
From: David Penasa <dpenasa@bplw...>
To: Jack Basye <jbasye@cabq...>
Cc: Kevin Broderick <kbroderick@cabq...>
Sent: Thursday, May 10, 2001 2:57 PM
Subject: Fw: Admiral's Hat or Hula Skirt
>
> ----- Original Message -----
> From: <ctstarwchr@aol...>
> To: <DarkSky-list@yahoogroups...>
> Sent: Monday, May 07, 2001 6:15 AM
> Subject: Re: Admiral's Hat or Hula Skirt
>
>
> > In a message dated 5/6/01 10:27:21 PM Eastern Daylight Time,
> > michaeljcook@home... writes:
> >
> > > In the files section at yahoogroups there is an image of a
> Semi-cutoff GE 400
> > > roadway luminaire fitted with an Admiral's Hat or Hula Skirt.
> >
> > Hi Mike:
> >
> > These shields are sold by General Electric and are from photos that
> Jim Terry took and was graceous enough to allow me to upload to the
> Forum. The GE part numbers are ELS-M2A/R and ELS-M4A for the M250 and
> M400 semi-cutoffs. I have no idea what their prices are because GE
> never releases a manufacturer's suggested retail price, so you would
> have to check with a GE distributor in your area. The GE Roadway
> Lighting website might list dealers in your area.
> >
> > http://www.ge-lightingsystems.com
> >
> > I was informed by the design engineering department that an error
> appears
> > in the '98 catalog regarding the graphic image which shows a house
> side shield
> > instead of the Admiral's Hat/Hula Skirt shield (cat# GEA-12000J
1/98).
> The next catalog released will show the proper shield for this part
> number. These
> > shields do remove much of the uplighting from the semi-cutoff,
> however, the
> > photometric performance of a true full cutoff luminaire is superior
to
> the
> > semi-cutoff with an added shield. Hope this helps.
> >
> > Clear skies,
> > Cliff
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> > _________________________________________________
> > To subscribe to the DarkSky List Forum send email
> > to: DarkSky-list-subscribe@yahoogroups...
> >
> > Help save your town from obtrusive lighting --
> > invite your planning and zoning department to
> > join us! Ask them to visit the IDA website at
> > http://www.darksky.org today!
> >
> > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> >
> >
>
________________________________________________________________________
________________________________________________________________________
Message: 7
Date: Wed, 20 Mar 2002 10:48:12 -0700
From: "David Penasa" <dpenasa@bplw...>
Subject: Fw: Re: Admiral's Hat or Hula Skirt
> ----- Original Message -----
> From: Steve Davis <w2sgd@juno...>
> To: <DarkSky-list@yahoogroups...>
> Sent: Tuesday, May 08, 2001 10:17 AM
> Subject: [DSLF] Re: Admiral's Hat or Hula Skirt
>
>
> > On Mon, 7 May 2001 08:15:50 EDT ctstarwchr@aol... wrote:
> >
> > <<These shields are sold by General Electric and are from photos
that
> Jim
> > Terry took and was graceous enough to allow me to upload to the
Forum.
> > The GE part numbers are ELS-M2A/R and ELS-M4A for the M250 and M400
> > semi-cutoffs. I have no idea what their prices are because GE never
> > releases a manufacturer's suggested retail price, so you would have
to
> > check with a GE distributor in your area.>>
> >
> > About $35. Better to replace the whole unit when you consider the
> > photometrics, shields falling off, wind resistance, and volume
pricing
> > of new FCO luminaires.
> >
> > IDA side set shows them. Some are used in this area by NIMO but
> > they won't admit to the LP problem. $3.50 for a can of black spray
> > paint will "fix?" a number of them. - sd
________________________________________________________________________
________________________________________________________________________
Message: 8
Date: Wed, 20 Mar 2002 11:55:26 -0700
From: "David Penasa" <dpenasa@bplw...>
Subject: Lighting Technologies' New Lighting Design Software - Simply Roadway 2002 + others
seen in Lighting.com newsletter:
Lighting Technologies' New Lighting Design Software
Simply Lighting 2002! The newest versions of LTI's easy-to-use lighting
design software are available now. Simple, "wizard" approach to
producing optimized indoor, outdoor, and roadway lighting designs.
Includes an industry-wide database of products from 75+ manufacturers -
over 35,000 products. Conforms to IESNA and CIE standards.
http://www.lighting-technologies.com/index_lc.htm
________________________________________________________________________
________________________________________________________________________
Message: 9
Date: Tue, 19 Mar 2002 18:01:35 -0500
From: "Philip Decker" <Philip@Decker...>
Subject: Re: Lionel Waxman retracts
Since he therein wrongly attributes Emily Litella's closing phrase - "Never
mind" - to Rosanne Rosanadana, should we expect a 2nd (recursive)
retraction?
----- Original Message -----
From: "Karolyn Beebe" <keedo@merr...>
To: <DarkSky-list@yahoogroups...>
Sent: Tuesday, 19 March, 2002 2:38 PM
Subject: [DSLF] Lionel Waxman retracts
> Thank you everyone who helped set Mr. Waxman
> straight, AND today - his listeners as well! -kb
>
> HERE IS THE RETRACTION THE WORLD
> DEMANDED March 19, 2002
> http://www.waxmanmedia.com/
________________________________________________________________________
________________________________________________________________________
Message: 10
Date: Tue, 19 Mar 2002 22:14:32 -0500
From: Scott Griswold <griz@lightfromabove...>
Subject: Xenon Headlamps draw numerous complaints
A recent article at latimes.com points out large numbers of
complaints have been filed to the NHTSA regarding the new Xenon
headlamps. Just another example of how a mass letter writing campaign
can make some waves.
http://www.latimes.com/news/local/la-000020070mar19.story?coll=la%2Dheadlines
%2Dcalifornia
(Be sure to copy both lines of this link)
Peace & Dark Skies,
Scott Griswold
------------------------------------------------------------------------------
http://www.lightfromabove.org
A Light Pollution Awareness Community
________________________________________________________________________
________________________________________________________________________
Message: 11
Date: Wed, 20 Mar 2002 13:35:15 -0700
From: "David Penasa" <dpenasa@bplw...>
Subject: GE dropped and flat lens cobraheads - accessory light shields
http://www.ge-lightingsystems.com/
See accessory brochure under roadway lighting products:
https://secure.ge-lightingsystems.com/gels01/catalog/roadway_index.html#
It shows both internal house or street side shields, and external 360
shields for dropped lens cobraheads. Also, it shows external house or
street side shields for flat lens cobraheads.
I'm not sure of the status of the admiral hat shields for dropped lens
cobraheads, as it is not shown in this product catalog. Awhile back,
however, I received drawings from GE that give the outline dimensions of
the admiral hat.
The drawings are:
35-112814
35-130039
David
________________________________________________________________________
________________________________________________________________________
Message: 12
Date: Wed, 20 Mar 2002 14:12:52 -0700
From: "David Penasa" <dpenasa@bplw...>
Subject: NEMA Model Outdoor Lighting Regulation - for states
http://www.nema.org/index_nema.cfm/1427/5210233A-EA9E-4DA2-90626ACCFD304
27E/
Per NEMA, "This regulation promotes good lighting practice consistent
with energy conservation, safety needs, and preservation of the natural
night environment."
Within the document, it is clear that they intended this document to be
for states, not cities, as it talks about "Standards for State-Funded
Outdoor Lighting."
David
David A. Penasa, PE email: dpenasa@bplw...
Director of Electrical Engineering
****DESIGNING TO SHAPE THE FUTURE****
BPLW Architects & Engineers, Inc.
6200 Uptown Blvd. NE Suite 400
Albuquerque NM 87110 USA
Phone: (505) 881-2759 Fax: (505) 881-1230
website: http://www.bplw.com
________________________________________________________________________
________________________________________________________________________
Message: 13
Date: Wed, 20 Mar 2002 16:36:56 -0500
From: Patrice Scattolin <scattol@videotron...>
Subject: Which is better: LPS or HPS?
Hi,
From the amateur astronomer perspective (in order to reduce light
pollution), which fixture
is the best, LPS or HPS FCO. My understanding is that there are now such
things as
FCO LPS probably because of the bulk of the bulb. That would result in more
light leaking at the horizon and above and I am wondering is we aren't
getting
more light pollution with LPS than with HPS FCO fixtures.
Of course the narrow bands of LPS are easier to filter and probably great
for professionals doing spectroscopie but from the
amateur's perspective that really doesn't matter all that much seeing that
our scopes aren't big enought to use narrow band filters on everything so
we would want lowest possible uplight.
So, with today's fixtures which give lowest amount of uplight? HPS or LPS?
________________________________________________________________________
________________________________________________________________________
Message: 14
Date: Wed, 20 Mar 2002 15:21:01 -0500
From: "Gary Reardon" <greardon@disaster-relief...>
Subject: Re: Xenon Headlamps draw numerous complaints
I own a Audi Allroad w/ xenon headlights.
Their setup is auto-leveling (like most, if not all European cars) & has a
very sharp vertical cutoff.
The vertical light dispersion above the desired road illumination is almost
non existent.
----- Original Message -----
From: "Scott Griswold" <griz@lightfromabove...>
To: "DarkSky List" <DarkSky-list@yahoogroups...>
Sent: Tuesday, March 19, 2002 10:14 PM
Subject: [DSLF] Xenon Headlamps draw numerous complaints
> A recent article at latimes.com points out large numbers of
> complaints have been filed to the NHTSA regarding the new Xenon
> headlamps. Just another example of how a mass letter writing campaign
> can make some waves....
<SNIP>
{Moderator Trimmed Message - Please Trim Past Messages Before Posting}
________________________________________________________________________
________________________________________________________________________
Message: 15
Date: Wed, 20 Mar 2002 17:58:29 -0500
From: Kevin Conod <kdconod@optonline...>
Subject: Re: Xenon Headlamps draw numerous complaints
> I own a Audi Allroad w/ xenon headlights.
> Their setup is auto-leveling (like most, if not all European cars) & has a
> very sharp vertical cutoff.
> The vertical light dispersion above the desired road illumination is almost
> non existent.
That's great I guess, but kind of irrelevant when you're being "knifed"
straight in the eye with 'em. ;-) We're not talking about light
pollution here, we're talking about glare...
--
--Kevin Conod
kdconod@optonline...
________________________________________________________________________
________________________________________________________________________
Message: 16
Date: Wed, 20 Mar 2002 16:00:18 -0700
From: "David Penasa" <dpenasa@bplw...>
Subject: Statement of Principles on Outdoor Lighting Codes of the Luminaire Section of the NEMA
http://www.nema.org/DocUploads/CBF03B31-BD6F-4CC3-9C36BAEC3F2B7967/Outdo
or_Ltg_Codes_SOP.pdf
(be sure to paste all parts of the URL into your browser if the above
URL is split into pieces)
Per NEMA, "Outdoor lighting has tremendous positive impacts on society
when properly designed and implemented. Outdoor lighting codes and
ordinances can encourage quality lighting by addressing several key
issues."
David
David A. Penasa, PE email: dpenasa@bplw...
Director of Electrical Engineering
****DESIGNING TO SHAPE THE FUTURE****
BPLW Architects & Engineers, Inc.
6200 Uptown Blvd. NE Suite 400
Albuquerque NM 87110 USA
Phone: (505) 881-2759 Fax: (505) 881-1230
website: http://www.bplw.com
________________________________________________________________________
________________________________________________________________________
Message: 17
Date: Wed, 20 Mar 2002 16:19:46 -0700
From: "David Penasa" <dpenasa@bplw...>
Subject: In pavement crosswalk lighting systems, lane indication systems
FARLIGHT'S IN-PAVEMENT LED PEDESTRIAN CROSSWALK SYSTEM
http://www.lightsearch.com/cgi-bin/counter.pl?idnum=573
ASTUCIA INTELLIGENT ROAD STUDS
http://www.astucia.co.uk/
________________________________________________________________________
________________________________________________________________________
Message: 18
Date: Wed, 20 Mar 2002 16:26:16 -0700
From: "David Penasa" <dpenasa@bplw...>
Subject: Re: In pavement crosswalk lighting systems, lane indication systems
> FARLIGHT'S IN-PAVEMENT LED PEDESTRIAN CROSSWALK SYSTEM
> http://www.lightsearch.com/cgi-bin/counter.pl?idnum=573
>
> ASTUCIA INTELLIGENT ROAD STUDS
> http://www.astucia.co.uk/
Astucia had a booth at the IDA Annual Meeting held earlier this week,
and also gave a product overview. Looks interesting as an option to
identify lanes or crosswalks. However, it doesn't provide light to
allow you to see obstructions or pedestrians. So, depending upon the
application, roadway lighting would still be needed. Probably pretty
expensive, but might be worth it for areas which often have adverse
conditions (heavy fog, etc.) or where it would be advantageous to better
identify pedestrian crosswalks for drivers.
David
________________________________________________________________________
________________________________________________________________________
Message: 19
Date: Wed, 20 Mar 2002 17:27:58 -0700
From: "David Penasa" <dpenasa@bplw...>
Subject: Mar 21 EPC Mtg & City of ABQ Night Sky Protection Task Force Recommendations
The City of Albuquerque's Night Sky Protection Task Force's proposed
outdoor lighting amendments to the zoning code and uniform
administrative code are still under review. It has been just over 12
months since they were submitted to the mayor and city council. They
are presently in the EPC review portion of the process.
City of Albuquerque
Environmental Planning Commission Meeting--March 21, 2002
8:30 am - ?
Actions item on the Environmental Planning Commission Agenda
14.
Project # 1001271
01EPC-00734 Text Amendment
(Deferred from 2/21/02)
CITY OF ALBUQUERQUE/PLANNING DEPT. agent(s) for CITY OF
ALBUQUERQUE/CITY COUNCIL request the above action(s) an amendment to
Chapter 14, Article 16, ROA 1994, the Comprehensive City Zoning Code, to
include provisions related to the regulation of outdoor lighting. (City
Wide) Simon Shima, Staff Planner.
(See the following City webpage for the Task Force's recommended
amendments:
http://www.cabq.gov/planning/pages/neighborhood/newsletter/nightsky.html
)
The proposed amendments have been under heavy discussion by the Parks &
Recreation Department, Traffic Engineering, Planning, etc. over the past
few months. But, the amendments have yet to be formally reviewed by
the EPC. (They have deferred this item many times.) Maybe it will
finally happen at the meeting later this week!
David
member, City of Albuquerque's Night Sky Protection Task Force
David A. Penasa, PE email: dpenasa@bplw...
Director of Electrical Engineering
****DESIGNING TO SHAPE THE FUTURE****
BPLW Architects & Engineers, Inc.
6200 Uptown Blvd. NE Suite 400
Albuquerque NM 87110 USA
Phone: (505) 881-2759 Fax: (505) 881-1230
website: http://www.bplw.com
________________________________________________________________________
________________________________________________________________________
Message: 20
Date: Wed, 20 Mar 2002 16:55:46 -0700
From: IDA <IDA@DARKSKY...ORG>
Subject: Re: Re: Greg Mort's Support of IDA
If you haven't already done so, please try again. The link is now working
and the auction is active.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=852257570
Thanks
At 07:14 PM 3/15/2002, you wrote:
>ctstarwchr@aol... wrote:
>
> >In a message dated Thu, 14 Mar 2002 12:20:34 PM Eastern Standard Time,
> RLGent1 writes:
> >
> >>
> >>An auction for these prints will run on e-Bay from March 15 (after 5 pm
> >>USA EST) to March 25. Once posted by e-Bay, the artwork can be viewed
> >>and bids placed by visiting www.ebay.com, then use the "What are you
> >>looking for" box to search for "Greg Mort." The funds raised by this
> >>auction will help IDA preserve and protect our nighttime environment.
> >>
>
>I this still on? I tried to Search for Greg Mort but came up empty
________________________________________________________________________
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Message: 21
Date: Wed, 20 Mar 2002 18:22:32 -0500
From: "Gary Reardon" <greardon@disaster-relief...>
Subject: Re: Xenon Headlamps draw numerous complaints
In normal driving conditions, it's unusual to get them straight in the eye.
They have the same sharp cutoff on the sides as they do vertically, actually
giving off less light outside of the desired beam then regular headlights
do.
I have found that properly aligned xenon's are less of a problem than
regular headlights.
----- Original Message -----
From: "Kevin Conod" <kdconod@optonline...>
To: <DarkSky-list@yahoogroups...>
Sent: Wednesday, March 20, 2002 5:58 PM
Subject: Re: [DSLF] Xenon Headlamps draw numerous complaints
<snip>
> That's great I guess, but kind of irrelevant when you're being "knifed"
> straight in the eye with 'em. ;-) We're not talking about light
> pollution here, we're talking about glare...
>
> --
> --Kevin Conod
> kdconod@optonline...
<SNIP>
{Moderator Trimmed Message - Please Trim Past Messages Before Posting}
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Message: 22
Date: Wed, 20 Mar 2002 20:27:39 -0800
From: "James Benya" <jbenya@benyalighting...>
Subject: Progress IS being made
John Gilkison wrote:
>
> > this whole disingenious argument that we have
> > to have closer pole spacings with FCO is going
> > unchallanged in the IDA for the moment it seems.
>
Steve Davis wrote in response:
> I thought both the IES and IDA were going to start
> addressing this issue. What is the story here?
> Business 1970 style? It seems the only advance
> the science of lighting is making is bigger and
> brighter.
>
> All you have to do is look out at airplane window
> at night when landing or taking off to see pools of
> streetlighting. Then drive around with your visor down.
>
> Just how much streetlighting is designed with proper
> pole spacing? Most poles are for supporting overhead
> power transmission lines with streetlights added as an
> afterthought to fatten the pockets of the utilities as
> a no brainer. -sd
I am pleased to report that John Gilkison's comments are incorrect. The IESNA is presently revising its standards based on significant efforts to achieve the goals that we at IDA and others fight for. This is largely due to efforts by the IESNA Environmental Lighitng Committee, the IDA, and others over the past couple of years.
For the record, Mr. Gilkison's comments made many times about glare, etc are more or less correct but it took some time for advances in vision science to advance sufficiently to correctly analyze and make such analyses objective, predictable and scientific. I heartly dispute Mr. Gilkison's contention that "business 1970 style" occurs.
The result of these many efforts will be lower light levels, less requirement for uniformity, environmental zone based standards, significantly reduced LT and LP, less energy use, and less glare. The only limiting factor to the rate of change and repair will be the funding of new lighting systems to replace systems we all agree create glare. The challenge for all of us, scientists, engineers, and simply concerned citizens, will be getting our government and utility bodies who own these lighting systems to replace them. There will be laws to prevent future bad lighting shortly, but existing bad lighting, especially when owned by governments and utilities, will remain unless there is substantial pressure.
James R. Benya, PE, FIES, IALD, LC
Benya Lighting Design
1880 Willamette Falls Drive
Suite 220
West Linn, OR 97068
(503) 657-9157 cell (503) 519-9631
Fax (503) 657-9153
[Non-text portions of this message have been removed]
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Message: 23
Date: Wed, 20 Mar 2002 22:18:20 -0800
From: patric@ghostriders...
Subject: County Zoning calls for responsible lighting.
Door County, Wisconsin, recently joined hundreds of other communities
that have passed laws to curb runaway outdoor lighting practices that
blind motorists, pit neighbor against neighbor, and replace star-filled
skies with the ugly gray pallor once thought to represent progress.
Aside from the obvious aesthetic benefits, reducing wasted light also
reduces glare that contributes to accidents, a problem that only grows
worse as our eyes age.
Here are some of the the new zoning requirements, taken from the website
at
http://doorbell.net/p&z
4.08 Outdoor lighting.
(k) All outdoor lighting shall utilize
lighting fixtures whose hood, lens, or combination thereof
allow no direct beams of light from the fixture to be seen
from off the property or to be cast skyward.
7.02 PARKING, LOADING.
(f) Lighting. Lighting established for the purpose of
illuminating off-street parking areas shall utilize lighting
fixtures whose hood, lens, or combination thereof allow no
direct beams of light from the fixture to be seen from off
the property or to be cast skyward.
3.10 Landscape buffers.
(1) Purpose. These requirements are intended to reduce
potential adverse impacts that a particular land use might
have on occupiers of adjacent properties, such as glare of
lights, dust, litter, and visual appearance. With vegetative
screening, such adverse impacts will be lessened.
8.02 Signs.
(5) Signs shall not obstruct or interfere with the
effectiveness of traffic signs, signals or devices, nor be
lighted in such a way so as to cause glare or impair driver
visibility upon public roads.
(7) Any spotlights used to illuminate signs shall be shielded
such that their light source cannot be seen from adjoining
roads or properties.
The new requirements will call for more careful placement and aiming of
floodlighting, possibly requiring modifications to "shield" their
spillover from crossing property lines. Additionally, the venerable
Mercury Vapor "Barn Light" will eventually become a thing of the past,
replaced with more economical and neighbor-friendly fixtures that don't
waste light where it's not wanted.
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Message: 24
Date: Wed, 20 Mar 2002 23:42:55 -0500
From: "P. Edward Murray" <edward12@erols...>
Subject: Re: Xenon Headlamps draw numerous complaints
Why bother having Xenon headlights? Why bother having
4 headlights instead of the customary 2?
The movement to ban those headlights is going to grow..just watch!
What's better? More light or causing accidents?
It's going to happen... if it's not already happening...
Ed
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Message: 25
Date: Wed, 20 Mar 2002 20:49:51 -0800
From: "James Benya" <jbenya@benyalighting...>
Subject: Re: Which is better: LPS or HPS?
It is generally agreed that astronomy prefers narrow band lamps like LPS
because filtering can be applied to minimize stray light effects. However,
human vision and especially human peripheral vision is not as good under LPS
as under HPS, and not as good under HPS as under a white light source such
as metal halide or compact fluorescent. The extent and importance of this
difference is the subject of current controversy and research.
FCO will ultimately prevail as the principal means to control LP and to a
large extent LT. However, expect that FCO will be defined somewhat
differently in the future, although with a similar result.
James R. Benya, PE, FIES, IALD, LC
Benya Lighting Design
1880 Willamette Falls Drive
Suite 220
West Linn, OR 97068
(503) 657-9157 cell (503) 519-9631
Fax (503) 657-9153
----- Original Message -----
From: "Patrice Scattolin" <scattol@videotron...>
To: "DarkSky-List (IDA)" <DarkSky-list@yahoogroups...>
Sent: Wednesday, March 20, 2002 1:36 PM
Subject: [DSLF] Which is better: LPS or HPS?
>
> Hi,
>
> From the amateur astronomer perspective (in order to reduce light
> pollution), which fixture
> is the best, LPS or HPS FCO. My understanding is that there are now such
> things as
> FCO LPS probably because of the bulk of the bulb. That would result in
more
> light leaking at the horizon and above and I am wondering is we aren't
> getting
> more light pollution with LPS than with HPS FCO fixtures.
>
> Of course the narrow bands of LPS are easier to filter and probably great
> for professionals doing spectroscopie but from the
> amateur's perspective that really doesn't matter all that much seeing that
> our scopes aren't big enought to use narrow band filters on everything so
> we would want lowest possible uplight.
>
> So, with today's fixtures which give lowest amount of uplight? HPS or LPS?
>
>
> _________________________________________________
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> to: DarkSky-list-subscribe@yahoogroups...
>
> Help save your town from obtrusive lighting --
> invite your planning and zoning department to
> join us! Ask them to visit the IDA website at
> http://www.darksky.org today!
>
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>
>
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