MICHAEL W. DEAN

252 Lights. 60 second exp each. 29 Darks. 28 Flats. 29 Dark Flats. 800 ISO. Total integration: 4 hours, 12 minutes. Bortle 3 (backyard, north east Oregon farm.) Processed in PixInsight and Photoshop. Image cropped. RedCat on Sky-Watcher EQ6-R Pro with Zwo mini guide cam and scope via PhD2. Cam: DSLR, Canon 90D. Polar align…

Last night’s photo of Butterfly Nebula in Sadr Region in Cygnus. More info and more of my pix here: https://www.astrobin.com/users/BipTunia/40 Lights. 60 second exp each. 29 Darks. 28 Flats. 29 Dark Flats. 800 ISO. Total integration: 40 minutes. Bortle 3 (backyard, north east Oregon farm.) Processed in PixInsight and Photoshop. Image cropped. RedCat on Sky-Watcher…

Telescope photo I took of a small region of the constellation of Sagittarius. The area is a little less than a fist at arm’s length. The bright star on the left is Tau Sagittarii. It is 122 light-years from us. It’s 16x the size of the Sun. It is the closest star from our view…

— I took these photos using this gear and methods. I took 15 of each area, and also took 15 DARKS (photos same settings same night same temp same camera with the lens cap on, to produce a record of the noise inherent to the camera CCD to remove with software later.) I ran the…

How I take star photos