NGC 3718, 3729 and Hickson 56 in Ursa Major

 


NGC 3718


Object Data

Object type: Galaxies
Size:  
Magnitude: 10.6
Constellation: Ursa Major
Distance: 52 mly (NGC 3718); 150 kly (NGC 3729); The galaxies in Hickson 56 are 400 mly away.
Notes:
NGC 3718 is warped, possibly due to the gravitational interaction with NGC 3729 (seen below). The 5 smaller galaxies to the right of NGC 3718 form the cluster Hickson 56.
   

Exposure Data

Date: 3/24/25
Location: Little Blair Valley, Anza Borrego Desert, CA
Telescope: DSI RC10c, 1867 mm fl f/7.3
Camera: FLI 6303e with Astrodon LRGB Gen 2 filters; ASI174 guide camera
Mount: AP 1100 CP3
Exposure times: 16 x 10min Lum, 6 x 5 min each RGB 
Exposure time total: 4.16 hours
Notes:
FOV =  43.3 x 29.2 arcmin (cropped)
Image scale = 0.99 "/pixel

   

 

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