M 81 (UMa)

 

 

The above image is a reprocessed version of the lower one, using Wavelets and the color saturation tool in PixInsight.

 

 

Technical data:    15"f/5,4 Newtonian with Paracorr corrector

                           SBIG ST10XME, CFW8

                           LRGB (L=6x600s; R=5x600s; G=2x600s; B=3x600s; color channels bin 2)

                          Comments: near the lower frame some resolved parts of a Holmberg galaxy are visible

                           Author: Volker Wendel

Technical data:     Liechtenknecker Flatfield Camera 3,2/940mm

                            ST10XME

                            straight RGB with a 50nm Baader H-alpha-Filter from for R (R=3x900s;G=3x300s;B=3x600s, all bin1)

                           Author: Bernd Flach-Wilken

 

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