NGC7000, the North American Nebula is in the northern sky these days. It is an extended object of low surface brightness in the constellation Cygnus, the Swan. Because it is so faint, it is a challenge to image from light-polluted skies. The image below is the composite of 30, 6-minute exposures taken through a Triad quadband filter mounted in an 130mm astrograph. The final image was processed heavily to coax the nebula out.
I have made images of this nebula with a smaller, 80mm astrograph using a basic light pollution filter from an observing site at Casitas de Gila in New Mexico. That site is MUCH darker than my backyard. That image shows much more detail than this one, and it includes the nearby Pelican Nebula which did not fit into this frame.
