4x5 minutes, ISO400, Digital Rebel at prime focus on Celestron Ultima 9.25 with focal reducer, yielding ~ 2000mm f/6.3.
Images Plus, NeatImage and Photoshop used for processing.
The galaxy M101, in Ursa Major, is also known as the Pinwheel.
I grew up knowing M33 as the Pinwheel or Triangulum Spiral and M101 as ...... M101. http://www.pbase.com/emagowan/image/138145015
is a poor quality shot of M101 showing the supernova of August, 2011.