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M 106 – Astro Dolomites

M 106

Messier 106 (also known as NGC 4258) is a spiral galaxy in the constellation Canes Venatici. It was discovered by Pierre Méchain in 1781. M106 is at a distance of about 22 to 25 million light-years away from Earth. It is also a Seyfert II galaxy. Due to x-rays and unusual emission lines detected, it is suspected that part of the galaxy is falling into a supermassive black hole in the center. NGC 4217 is a possible companion galaxy of Messier 106.

This image has been quickly processed with Pixinsight. I adapted to my new workflow, using RBI-preflashed raw images, and am quite satisfied with the results.

M106

Messier 106 galaxy, LRGB

Image data
Target M 106
Date 21 February 2015
Images LRGB – each channel 12x 5 minutes
Optics Cassegrain f/9 20" @3550mm
Mount: ASA DDM85XL
Filters: from Baader
Software: ASA Autoslew (beta) for automatic image capture
Processing: with Pixinsight