Wednesday, October 21, 2015

The Pinwheel Galaxy M101

Image: M101

The Pinwheel Galaxy (M101 or NGC5457) is a face-on spiral galaxy in Ursa Major. On the right of the photo the faint (14m) galaxy NGC5477 is visible.
Exposure data: QHY8L, TOA130 at f/5.4, total of 7 exposures with 15min each, photos stacked via SigmaClip in MaximDL, Crop, Aperture 3 (Mac)
See also: http://messier.seds.org

No comments: