NGC 3239 (UGC 5637, Arp 263) Galaxy in Leo

Located at: RA 10 hours 25 minutes 06 seconds, Dec +17 degrees 09 minutes 02 seconds

Size: 5.0' x 3.6' Magnitude: 11.7 blue Class: IB(s)m pec

 North is up

West to the right


 14.5" f5 Newtonian reflector


  ST-8XME, self-guided, binned 1x1, temp -20, camera control MaxIm DL 4.56


Lumicon Red filter, 730 minutes (73 x 10 minute subs), 04/15/19/20/21/2017; FWHM 2.1-4.0 per CCDStack


CCDStack 2.93.6093.26774, Photoshop CS5.1


 Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s)


After NGC 2775, I went back to Leo, but we are still having periods of high clouds. This odd NGC galaxy is surrounded by other faint galaxies, none with NGC designations.

See the Deep Sky Browser page for NGC 3239. See the corrected NGC catalog.