Search found 3 matches

by IGAT
Thu Sep 06, 2007 2:11 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Lunar Eclipse (APOD 30 August 2007)
Replies: 19
Views: 7640

I've heard that there's an outer layer of Ozone that refracts blue-green light (obviously at a lower level than the red) Thank you. Certainly, I found a blue-green layer of atmosphere in some pictures taken from space, like this. http://antwrp.gsfc.nasa.gov/apod/ap981024.html But, at present, I can...
by IGAT
Mon Sep 03, 2007 4:03 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Lunar Eclipse (APOD 30 August 2007)
Replies: 19
Views: 7640

I made a few measurements off the images I took during the eclipse, and it appears that the surface brightness of the Moon was about 1000 times reduced at mid-eclipse. :D Thank you very much for your measurement result, and advice to my rendering. According to your data, the Earth's atmospheric sca...
by IGAT
Fri Aug 31, 2007 2:18 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: Lunar Eclipse (APOD 30 August 2007)
Replies: 19
Views: 7640

Here is an another image I made.

http://igabigmoon50.mo-blog.jp/iron/

During soloar eclipse by the Earth, the Moon must be shone by strong red light through Earth's atmosphere, I think.

But, actually, how strong is the brightness?
I'd like to know that if there is observed data.

:)