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messier13
Found: 1 photo
Messier 13 - Great globular cluster in Hercules
Image of M13 captured with SPA-2, data from 3 one click observations.
Total integration time 215 minutes.
Sub-exposures:
L: 10 x 300s
R: 12 x 300s
G: 10 x 300s
B: 11 x 300s
I...