Messier 109 (M 109)

On this page I collect my observations of the barred spiral galaxy M 109 (NGC 3992) in the constellation Ursa Major.

Introduction

The galaxy M 109 in the constellation Ursa Major is a barred spiral galaxy, the bar of which is easily recognized in the eVscope.

M 109 (NGC 3992)
Size: 3' x 1.5' (Stoyan)
Distance: 60 million light years (Stoyan)
Rating: * (Stoyan)

The barred spiral galaxy M 109 in the constellation Ursa Major (Image Courtesy of SkySafari Astronomy, www.simulationcurriculum.com)

March 15 and 23, 2020 (Mühlhausen/Kraichgau: eVscope): M 109 photographed, better on March 23.
April 21, 2020 (Mühlhausen/Kraichgau: eVscope): M 109 photographed.
June 12, 2020 (Mühlhausen/Kraichgau: eVscope): M 109 photographed in the new rectangular format without overlay, faint

September 8, 2020 (Mühlhausen/Kraichgau: eVscope): M 109 photographed (r.f., n.o.), faint

March 6, 2021 (Mühlhausen/Kraichgau: eVscope): M 109 photographed (r.f., n.o.), exposed manually
June 1, 2021 (Mühlhausen/Kraichgau: eVscope): M 109 photographed (n.o., r.f.), new image size and processing.


M 109 - Mar 15, 2020	M 109 - Mar 23, 2020	M 109 - Apr 21, 2020

M 109 - Mar 15, 2020, photo on top processed	M 109 - Mar 23, 2020, photo on top processed	M 109 - Apr 21, 2020, photo on top processed

M 109 - Jun 12, 2020	M 109 - Jun 12, 2020, photo left processed

M 109 - Sep 8, 2020	M 109 - Sep 8, 2020, photo left processed

M 109 - Mar 6, 2021	M 109 - Mar 6, 2021, photo left processed

M 109 - Mar 6, 2021	M 109 - Mar 6, 2021, photo left processed

M 109 - Jun 1, 2021	M 109 - Jun 1, 2021, photo left processed (Polarr)