Strong green airglow
Taken by Aaron Watson on October 9, 2023 @
Paonia, Colorado, USA
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Camera Used: Unavailable Unavailable
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Details:
Went out stargazing and it was bright out - I could see things clearly in the "darkness". The previous night's SQM read 21.3 mpsas under clear skies, tonight it was reading below 21.0 under equally as clear skies. SQM Readings of less than 21.0 mpsas on a clear night in my location is quite anomalous. The 20 second Nikon D750 exposure revealed the strong green airglow in all directions. It had a flat color density - there were no ripples. There were also no thunderstorms or lighting anywhere near the region. Interestingly, the views through the 12" dob telescope were still quite clear and enjoyable despite the bright sky quality, though the contrast was adversely affected.
Photographer's website:
https://www.facebook.com/SkiesAlivePhotography
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