Maybe the warning lights from one of those big wind turbine farms? They often all blink in unison and can illuminate the sky for a large area around them.
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- Mon Nov 26, 2018 7:46 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Rocket Launch as Seen from the Space... (2018 Nov 26)
- Replies: 22
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