A Swan of a Different Color

Here are a couple of new images from the constellation Cygnus, the swan.  Both are fairly wide views (done with the WO Star71 telescope) and both are narrowband images with somewhat unusual color rendering.  First is the North America Nebula, NGC7000: I have to explain that you may be seeing something like the shape of the United States here, with the dark “hole” being the Great Lakes region, rather than the shape of North America.  But if you turn it clockwise 90 degrees the hole becomes the Gulf of Mexico and the entire continent is included. NGC7000 is one of […]

IC 1318 (Sadr Region)

Buy a Print This is a large region of nebulosity (mostly hydrogen) around the star Sadr in the constellation Cygnus. From Wa-chur-ed Observatory in May of 2011. As is usual for this observatory, this is a narrowband image, consisting of a hydrogen-alpha image for the red channel and oxygen-3 for green and blue channels. Scope: AT111EDT at f/5.6 Mount: Orion Atlas/EQMOD Camera: QSI 583 at –25C Exposure: 10 x 480 seconds H-a, 7 x 480 seconds O-3 (2 hrs 16 mins total)