12  February 2019
Pinwheel-Galaxie Messier 101

By   Rochus Hess
( astrofotografie-hess.heimat.eu )

The Pinwheel Galaxy Messier 101 is a face-on spiral galaxy distanced 21
 million light-years away from earth in the constellation Ursa Major.
Ngc5474 left in the image field is a peculiar dwarf galaxy, the gravitational
interaction between NGC 5474 and the Pinwheel Galaxy has strongly distorted the former.

Technical Data:

Imaging telescope: 8 Zoll Newtonian f4
Imaging camera: Moravian G28300FW
Mount: G53F Gemini
Software: Pixinsight and Photoshop
Date: July, 3rd, 2016
Frames: 32x10min. Luminance and 13x10min RGB
Place: Postalm (Salzburg) Austria



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