NGC2217 is situated in Canis Major and is classified as a (R)SB(rs)0/a-typed nearly perfect ring-galaxy of about 100.000 light-years in diameter at a distance of 75 Mio.light-years.It has a bright central bar,surrounded by a nearly perfect ring of bluish stars.
Here on earth it is of magnitude 10,7 with an apparent diameter of only 4,5 arc-minutes.It was detected by John Herschel in 1835.
position:
RA.: 06h 21m 39,8s
Decl.: -27° 14' 03"
image data:
LRGB image with L = 25x1200s, RGB = 8x1200s each,a total of 16.3 hours
80cm f/7 AstroOptik Keller corrected cassegrain, FLI Proline 16803, Prompt 7 CTIO/UNC Chile,remote controlled
image processing: Bernd Flach-Wilken
this is a 83% FOV-picture,clicking inside you get a fully resolved picture:
here is a larger view to NGC2217: