The NGC 884 is an open cluster located 7600 light years away in the constellation of Perseus. The cluster is most likely around 12.5 million years old. It is the easternmost of the Double Cluster with NGC 869. Located in the Perseus OB1 association both clusters are located physically close to one another, only a few hundred light years apart. The clusters were first recorded by Hipparchus, but have likely been known since antiquity.
Equipment: Exposure details: Location:
Telescope: RCOS 12.5 Open Truss
Mount: Paramount Me
Camera: SBIG STL-11000M
Filters: Baader LRGB
Luminance: 4x10min
Red: 4x10min
Green: 4x10min
Blue: 4x10min
Rachia, Veroia, Greece
N 40o29'00.0" - E 22o12'55.0"
6 October 2011
Image details:
Acquisition: MaxImDL Reduction/stacking: CCDStack RGB weights: Aladin/eXcalibrator
RGB combine: CCDStack LRGB creation: Photoshop CS3
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