Contains: NGC 884, Double cluster, NGC 869, The star 7Per, The star 8Per
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Double Cluster NGC 884 and NGC 869

Technical card

Resolution: 3411x3411

Dates: Nov. 28, 2013

Frames: 30x120"

Integration: 1.0 hours

Avg. Moon age: 24.70 days

Avg. Moon phase: 24.20% job: 128698

RA center: 34.937 degrees

DEC center: 57.235 degrees

Pixel scale: 1.575 arcsec/pixel

Orientation: -178.149 degrees

Field radius: 1.055 degrees

Locations: Home Observatory, Quincy, Illinois, United States


These open clusters are located 7600 light years away in the constellation Perseus. The left hand cluster is NGC 884 and the right hand cluster is NGC 869. They are a few hundred light years apart.

To create the LRGB image, the CIE L* luminance was extracted from the acquired RGB. This pseudo luminance was denoised and combined with the RGB to produce this LRGB image.




Sky plot

Sky plot


Double Cluster NGC 884 and NGC 869, 



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