The Blinking Nebula, NGC 6826 (Caldwell 15, PK 83+12.1) is a planetary nebula located in the constellation Cygnus.
The nebula is located at a distance of about 2000 light years, the central part has a visible size of 27"x 24" and a visual magnitude of 8.8m.
This image taken in August 2019.
R-channel - 158 x 5 sec. bin 1x1;
G-channel - 158 x 5 sec. bin 1x1;
B-channel - 158 x 5 sec. bin 1x1;
Ha- 38 x 600 sec. bin 1x1;
OIII- 36 x 600 sec. bin 1x1.
Total integration time about 13 hours.
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