Hello, Jan,
I am at a point in preparing for the next GLOBE at Night campaign where we would very much like your assistance in generating new magnitude charts for Orion and for Leo.
We will be holding the campaign twice: once starting the third week of February and going for two weeks and the second time starting the third week of March and going for two weeks. So we will need limiting magnitude charts for Orion for the two week campaign that starts the third week of February for the latitudes of 60N, 50N, 40N, 30N, 20N, 10N, 0, 10S, 20S, 30S, 40S, and 50S. Please do the maps for February 23 and March 2 at 9pm both nights. (We typically go from 8pm til 10pm which is applicable for most but not all places.) And we will need limiting magnitude charts for Leo for the two week campaign that starts the third week of March for the latitudes of 60N, 50N, 40N, 30N, 20N, 10N, 0, 10S, 20S, 30S. (Do you think it needs to go more south?) Please do the maps for March 23 and March 30 at 9pm both nights. I will have to find a constellation for the southern hemisphere for March and let you know what it will be so you could hopefully make more charts for that.
Also making them just like you did before, going from .5 to 1.5 for the limiting magnitude of 1 chart, 1.5 to 2.5 for the limiting magnitude of 2 chart, 2.5 to 3.5 for the limiting magnitude of 3 chart, 3.5 to 4.5 for the limiting magnitude of 4 chart, 4.5 to 5.5 for the limiting magnitude of 5 chart, 5.5 to 6.5 for the limiting magnitude of 6 chart, and 6.5 to 7.5 for the limiting magnitude of 7 chart, would be just perfect.
Also we had one more request, if that is alright. We were wondering if you were able to create a greyscale set of charts to look more like astronomical images than the black and white versions you have on your website. Adults and older students have no trouble translating the bigger stars to mean brighter stars, but for little kids, it is harder. So using a greyscale to look more like astronomical images would possibly help this issue.
What is your timescale for generating these charts and getting them to us?
Finally, let me introduce you to our webmaster who is putting all of this (and more) on the GLOBE at Night website. Jan Hollan meet Mark Newhouse and Mark meet Jan.
Thanks, Jan!!!
Connie
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Constance E. Walker, Ph.D.
chair, International Dark-Sky Association Education Committee
chair, IYA2009 Dark Skies Awareness Cornerstone Project
member, Astronomical Society of the Pacific Board of Directors
associate scientist & senior science education specialist, NOAO
National Optical Astronomy Observatory (NOAO)
950 N. Cherry Avenue
Tucson, AZ 85719 USA
520-318-8535
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