26 Oct 2021
Image of Messier 55 (M55, NGC 6809), also known as the Summer Rose Star, a globular cluster located in the constellation Sagittarius.
This LRGB-image was captured with CHI-1 (Planewave CDK24).
Combination of 5 one-click observations
Total exposure time: 295 minutes
2 subs of 600s & 10 subs of 300s with L
2 subs of 600s & 12 subs of 300s with R
2 subs of 600s & 10 subs of 300s with G
2 subs of 600s & 11 subs of 300s with B
M55
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