NGC 2903: Spiral Galaxy in Leo


NGC 2903

Object Data

Object type: Galaxy
Size: 100,000 ly in diameter
Magnitude: 9
Constellation: Leo
Distance: 31 million light years

NGC2903 appears about 1.5 degrees south of Lambda Leonis (the bright star in lower left).  Below 2903 is a small 12th mag spiral galaxy NGC 2916.  The dim tiny trail to the left of NGC2903  (above a bright star) is asteroid (1640) Nemo captured from the luminance data on 2/4/22 between 9:00 and 11:00 local time as it traveled through space 1.85 AU away.

Exposure Data

Date: 02/04/22
Location: Little Blair Valley, Anza Borrego Desert, CA
Telescope: DSI RC10c; fl 1867mm at f/7.3
Camera: FLI 6303e with Astrodon LRGB filters
Mount: AP1100 GTO3
Exposure time: 15 x 10 min of Lum, 12 x 5 min each of RGB
Exposure time total: 5.5 hrs
FOV = 42 x 29 arcmin, Image Scale: 0.99 "/pixel

Click here for an animation of asteroid  (1640) Nemo


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