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macobservatory
UGC 2173
2 sessions
34 images
5.67 hours
Sessions
Date
Luminance
Red
Green
Blue
2025-10-25
1.0
0.33
0.17
0.17
2025-10-26
2.0
0.67
0.67
0.67
Total
3.0
1.0
0.84
0.84
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