NGC869

"Double Cluster"

Constellation- Perseus

 

 

Right Ascension: 2h  19m 6 s

Declination: 57° 9' 0"

Distance:  7500 light years

Visual Brightness: mag 3.7 and 3.8

Apparent Dimension:   60 arc minutes

 

 

 

Image information-

Date taken- September 21, 2004

Telescope/Focal length/Camera/Temperature- C11 OTA @ f/6.8, ST-8XE NABG @ -20C, autoguided with PHD 2.5 or internal guide chip

Integrations-  LRGB, L = 4 x 300 seconds binned 1x1, RGB = 4 x 300 seconds each binned 2x2

Processing- Flats and darks in CCDSoft, aligned, combined, and processed  Astroart 5 and Photoshop CS5