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Ammassi

NGC869 – The Perseo Double Cluster

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Exposure Info:

Optolong Red 2″: 77×120″ (2h 34') -10°C bin 1×1
Optolong Green 2″: 77×120″ (2h 34') -10°C bin 1×1
Optolong Blue 2″: 77×120″ (2h 34') -10°C bin 1×1

Total Integration: 7h 42′

LAB1

Observation Info:

AR: 02h 20m 54.84s

DEC: +57° 03′ 24.4″

Distance: 6800 ly

Apparent Magnitude: 4.3

Contained Objects: PGC 2570715, h Persei Cluster, NGC 884

Constellation: Perseus