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NGC 884 & NGC 869 - Double Cluster in Perseus

Τhe Double Cluster is the common name for the naked-eye open clusters NGC 884 and NGC 869 , which are close together in the constellation Perseus. NGC 884 and NGC 869 are at distances of 7600 and 6800 light-years away, respectively, so they are also close to one another in space.

double

Location / Date

Mt Parnon 9/08/2010

Telescope

WO Zenith Star 105 APO Triplet

Field Flattener

Astro -Tech 2”

Mount

Sky Watcher EQ6 Pro

Camera

QHY9 KAF 8300 mono CCD, Temp -30 C

Filters / Exposures

Lum 15x300 sec bin 1x, RGB 6x150 bin 2x

Total Exposure Time

1,5 Hour

Software

Nebulosity 2, CCD Stack, Photoshop CS4, Starry Night, EQmod

 

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