Hi,
Here's another large faint planetary, Abell 33, the diamond ring nebula in Hydra. Diameter 270 arc seconds, magnitude 13.4.
The diamond in the ring is star Hipparcos 47369, magnitude 7.226.
Here's a link with more info.
http://www.spaceanswers.com/deep-spa...ond-ring-real/
8” F/4 astrograph , baader type 3 coma corrector,. HEQ Pro 5 mount, orion mini guider.
Camera.
Unmodded Cannon 1100D plus cooler box. 25 subs x 2 minutes at ISO 6400. Stacked in Deep Sky Stacker .Processed in Photoshop Cs2..
Cheers,
Justin.