Airglow Fan – APOD image
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Here is, as released today (3 February) on the NASA APOD page, is a lovely photo of something called, “Airglow Fan”. This is not to be confused with the Aurora Borealis.
https://apod.nasa.gov/apod/ap190203.html
– a small and concise explanation accompanies the image.
Laurence
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Laurence, thank you for the link to this beautiful image. It sparks the memory of a special night a few years ago when I was on a boat trip to Alaska. I’d been so hoping to see Aurora Borealis one particular evening that I could barely sleep. While I never saw the sky dance, it seemed it was not entirely without color. At the time, I was quite perplexed and wondered why I could distinguish subtle cloud shapes against the very subtle, dark greenish glow (I don’t recall seeing the moon at all that night). I took the photo below just to capture the memory of that night. The contrast is pushed, but it’s quite like I remember it, the quiet, the glow, the wonder of it all. Do you think this might be airglow?
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