@astroboyy
The Northern Crown and its two diamonds are T and R CrB. Filmed on the night of August 1 in the Moscow region, Volokolamsk.
Equipment: Canon 550Da, Canon EF-S 55-250 IS STM lens, tripod.
Shutter speeds of 2 seconds, ISO 1600, a total of only about one minute. There was a slight haze in the sky during the shooting. Using this photo, you can easily find these amazing variable stars yourself.
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