At 2700 light-years distance George Ogden Abell discovered this fine planetary nebula in 1955 in the constellation of Hydra.By an apparent size of nearly 5 arc minutes it can visually be detected with an OIII-filter in mid-sized intruments (12" aperture and larger).
The star HD 83535 creates a diamond ring effect together with the PN,with makes the combo a spectacular appearance on photographs.
position (epoch 2000):
RA.: 09h 39m 09,08s
Decl.: -02° 48′ 32,0″
RGB image from:
a total of 26.0 hours
80cm f/7 AstroOptik Keller corrected cassegrain FLI Proline 16803 Astrodon LRGB GenII filters
Prompt 7 CTIO/UNC Chile,remote controlled
image processing: Bernd Flach-Wilken
Abell33 as it looks in a field of 81% of our telecope setup.For full resolution click here
here you see a more detailed version of Abell 33: