Abell 31 (SH2 – 290)

Abell 31.

Abell 31 is an ancient and one of the largest (17 arc minutes) planetary nebula in the sky, but rather quite faint. Abell 31 is in the constellation of Cancer and at a distance of about 2000 light years.

There are numerious faint background galaxies, some shining through Abell 31, but the most interesting one is the barred face – on spiral at left bottom corner.

F. O. V.   40 x 40 min of arc.

Telescope.   Orion Optics UK AG12.

Camera.   S Big  ST4000 XCM OSC CCD.

Exposure  and Date.  40 x 600 sec.   April 2021.

Location.  (Wiruna) Ilford N. S. W.