Pickering's Triangle, a part of the Veil Nebula

Pickering's Triangle - Veil Nebula
A mosaic of four images taken thru an h-alpha filter with an STL-1301E CCD camera thru Kopernik's 20-inch F/8.1 Ritchey Chretien Cassegrain telescope focal reduced to F/5.

Click here for a larger version of this image (big file).

George Normandin, KAS

Ocotober 11th, 2011