Monday, January 21, 2019

Total Lunar Eclipse Time Lapse, January 20-21, 2019

I've been wanting to do this kind of time lapse of a lunar eclipse to show just how much change in brightness occurs when the full moon suddenly becomes nearly dark.

Most presentations of a lunar eclipse don't really capture the darkening, just the change in color as the moon transitions from being illuminated by direct sunlight to the weak sunset glow from the annulus of scattered sunlight through Earth's atmosphere.

I took three hours of photos, one every 23 seconds, at Little River Canyon, Alabama to make this. The camera setting was constant throughout (ISO640, f/5.6, 20 sec exposures). The temperature was unusually cold, 26 deg. F, low humidity, and there was a moderate wind out of the north. The video is best appreciated full-screen.



from Climate Change Skeptic Blogs via hj on Inoreader http://bit.ly/2DrFp2J

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