Messier 81/82 (M 81/82) - Bode Galaxies, NGC 3077

Introduction | Map | Sketch | My Best Own Photos | My Own Observations | References || Appendix: My Own Photos

On this page I collect my observations of the Bode galaxies M 81/82 (NGC 3031/3034) in the constellation Ursa Major and of the nearby galaxy NGC 3077.

 

Introduction

M 81 (Bode Galaxy) is the main galaxy of a galaxy group in Ursa Major / Great Bear, which also includes the M 82 galaxy (Cigar Galaxy) (sometimes both galaxies are called together Bode Galaxies; the were both discovered by Elert Bode). Only in a small telescope, the two can be observed together, because the viewing angle should, according to Stoyan, be at least 1.5° (I was able to observe both at once in 2019 and in 2022, see below). M 81 is a spiral galaxy, which is seen from above, whereas M 82 is an irregular galaxy, which is seen in edge position.

NGC 3077 is nearby, a small disrupted elliptical galaxy, and a member of the M 81 Group. A little further away is the spiral galaxy IC 2574 (Coddington's Nebula; Ursa Major).

M 81 (NGC 3031)      M 82 (NGC 3034)      NGC 3077
Size: 24.9' × 11.5' (Stoyan)
Distance: 11 million light years (Stoyan)
Rating: **** (Stoyan)
  Size: 11.2' × 4.3' (Wikipedia)
Distance: 11 million light years (Stoyan)
Rating: **** (Stoyan)
  Size: 2' (Stoyan)
Distance: 12 million light years (Stoyan)
Rating: * (Stoyan)

M 81 Group

The M 81 Group is a galaxy group in the constellations Ursa Major and Camelopardalis that includes the galaxies Messier 81 and Messier 82, as well as several other galaxies with high apparent brightnesses (the group contains about 60 galaxies).

 

Map

M 81 (Bode Galaxy) and M 82 (Cigar Galaxy) in Ursa Major (top left) (Image Courtesy of SkySafari Astronomy, www.simulationcurriculum.com)

M 81 (Bode Galaxy) and M 82 (Cigar Galaxy) in Ursa Major (more on the left side...) (Image Courtesy of SkySafari Astronomy, www.simulationcurriculum.com)

 

Sketch

The sketch by Michael Vlasov (DeepSkyWatch.com) provides a rough impression of what I observed (my impression was much fainter than the sketch): Sketch of the Bode galaxies by Michael Vlasov (Copyright © Michael Vlasov 2016)

Note: I only have the author's permission to link to the sketch.

 

My Best Own Photos

eVscope

M 81 (Bode Galaxy; Ursa Major)

         

M 81 - May 5, 2020

 

M 81 - Jun 12, 2020

 

M 81 - Jun 12, 2020

   

M 81 - May 5, 2020, photo on top processed

 

M 81 - Jun 12, 2020, photo on top processed

 

M 81 - Jun 12, 2020, photo on top processed

   

M 81 - Mar 7, 2021

 

M 81 - Mar 8, 2021

 

M 81 - Mar 8, 2021

   

M 81 - Mar 7, 2021, photo on top processed

 

M 81 - Mar 8, 2021, photo on top processed

 

M 81 - Mar 8, 2021, photo on top processed

M 82 (Cigar Galaxy; Ursa Major)

         

M 82 - May 5, 2020

 

M 82 - Jun 12, 2020

 

M 82 - Jun 12, 2020

   

M 82 - May 5, 2020, photo on top processed

 

M 82 - Jun 12, 2020, photo on top processed

 

M 82 - Jun 12, 2020, photo on top processed

   

M 82 - Mar 8, 2021

 

M 82 - Mar 8, 2021

 

M 82 - Mar 8, 2021

   

M 82 - Mar 8, 2021, photo on top processed

 

M 82 - Mar 8, 2021, photo on top processed

 

M 82 - Mar 8, 2021, photo on top processed

ASI294

M 81, M 82, NGC 3077

    

M 81/82 - Apr 18, 2022, processed

 

M 81/82 - Apr 18, 2022, processed, evaluation with nova.astrometry.net

The Bode Galaxies M 81 (Bode Galaxy; at the center) and M 82 (Cigar Galaxy; top right) are accompanied by the galaxy NGC 3077 (top left)
Larger galaxies: M 81, M 82, NGC 3077

Vespera

    

M 81, Jul 31, 2022 - original (16 frames = 160 seconds)

 

M 82, Aug 12, 2022 - original (5 frames = 50 seconds)

 

M 81/82, Jul 31, 2022 - original (59 frames = 590 seconds)

 

M 81/82, Aug 12, 2022 - original (60 frames = 600 seconds)

 

M 81 & NGC 3077, Aug 28, 2022 - original (90 frames = 900 seconds)

  Size comparison with Vespera Pro: M 81/82 (section), May 10, 2024 - 2000p (360 frames = 3600s)

Vespera Pro

    

M 81/82 & NGC 3077, May 10, 2024 - 2000p (360 frames = 3600s)

  Evaluation with nova.astrometry.net (includes NGC 2959, 2961, and 2976)
 

M 81/82 & NGC 3077, May 10, 2024 - 2000p (360 frames = 3600s), section, processed and denoised (PSE, DN)

  Evaluation with nova.astrometry.net

 

My Own Observations

Observations February/March 2017

Observations May 2017

Observations September 2017

Observations September 2019

Observations February to July 2020

Observations March 2021

Observations July 2021

Observations April 2022

Observations July/August 2022

Observations May 2024

 

References

On this Site


Appendix: My Own Photos

eVscope

M 81 (Bode Galaxy; Ursa Major)

         

M 81 - Feb 19, 2020

 

M 81 - Feb 19, 2020

 

M 81 - Feb 19, 2020

   

M 81 - Feb 19, 2020, processed

 

M 81 - Feb 19, 2020, processed

 

M 81 - Feb 19, 2020, processed

   

M 81 - Mar 14, 2020

 

M 81 - Mar 14, 2020, processed

 

M 81 - Mar 14, 2020, processed alternatively

   

M 81 - Mar 17, 2020

 

M 81 - Mar 17, 2020

 

M 81 - Mar 25, 2020

   

M 81 - Mar 17, 2020, photo above processed

 

M 81 - Mar 17, 2020, photo above processed

 

M 81 - Mar 25, 2020, photo above processed

   

M 81 - Apr 8, 2020, full moon

  M 81 - Apr 21, 2020  

M 81 - Apr 21, 2020

   

M 81 - Apr 8, 2020, photo on top processed

 

M 81 - Apr 21, 2020, photo on top processed

 

M 81 - Apr 21, 2020, photo on top processed

   

M 81 - May 5, 2020

 

M 81 - Jun 12, 2020

 

M 81 - Jun 12, 2020

   

M 81 - May 5, 2020, photo on top processed

 

M 81 - Jun 12, 2020, photo on top processed

 

M 81 - Jun 12, 2020, photo on top processed

   

M 81 - Mar 7, 2021

 

M 81 - Mar 8, 2021

 

M 81 - Mar 8, 2021

   

M 81 - Mar 7, 2021, photo on top processed

 

M 81 - Mar 8, 2021, photo on top processed

 

M 81 - Mar 8, 2021, photo on top processed

     

M 81 - Jul 29, 2021

 

M 81 - Jul 29, 2021, photo left processed

   

M 82 (Cigar Galaxy; Ursa Major)

         

M 82 - Feb 19, 2020

 

M 82 - Feb 19, 2020

 

M 82 - Feb 19, 2020

   

M 82 - Feb 19, 2020, processed

 

M 82 - Feb 19, 2020, processed

 

M 82 - Feb 19, 2020, processed

   

M 82 - Mar 14, 2020

 

M 82 - Mar 17, 2020

 

M 82 - Mar 25, 2020

   

M 82 - Mar 14, 2020, photo on top processed

 

M 82 - Mar 17, 2020, photo on top processed

 

M 82 - Mar 25, 2020, photo on top processed

     

M 82 - Apr 8, 2020, full moon

  M 82 - Apr 21, 2020    
     

M 82 - Apr 8, 2020, photo left processed

 

M 82 - Apr 21, 2020, photo left processed

   
   

M 82 - May 5, 2020

 

M 82 - Jun 12, 2020

 

M 82 - Jun 12, 2020

   

M 82 - May 5, 2020, photo on top processed

 

M 82 - Jun 12, 2020, photo on top processed

 

M 82 - Jun 12, 2020, photo on top processed

   

M 82 - Mar 8, 2021

 

M 82 - Mar 8, 2021

 

M 82 - Mar 8, 2021

   

M 82 - Mar 8, 2021, photo on top processed

 

M 82 - Mar 8, 2021, photo on top processed

 

M 82 - Mar 8, 2021, photo on top processed

eVscope 2

M 81

    

M 81 - Apr 10, 2022

 

M 81 - Apr 10, 2022, photo left processed

M 82

    

M 82 - Apr 10, 2022

 

M 82 - Apr 10, 2022, photo left processed

ASI294

M 81, M 82, NGC 3077

    

M 81/82 - Apr 18, 2022, processed

 

M 81/82 - Apr 18, 2022, processed, evaluation with nova.astrometry.net

    

M 81/M 82 - Apr 28, 2022, processed

 

M 81/82 - Apr 28, 2022, processed, section

The Bode Galaxies M 81 (Bode Galaxy; at the center) and M 82 (Cigar Galaxy; top right) are accompanied by the galaxy NGC 3077 (top left)
Larger galaxies: M 81, M 82, NGC 3077

Vespera

    

M 81, Jul 31, 2022 - original (16 frames = 160 seconds)

 

M 82 - original (12 frames = 120 seconds; obstacles)

 

M 82, Aug 12, 2022 - original (3 frames = 30s)

 

M 82, Aug 12, 2022 - original (5 frames = 50s)

 

M 81/82, Jul 31, 2022 - original (59 frames = 590s)

 

M 81/82, Aug 12, 2022 - original (60 frames = 600s)

 

M 81 & NGC 3077, Aug 28, 2022 - original (90 frames = 900s)

  Size comparison with Vespera Pro: M 81/82 (section), May 10, 2024 - 2000p (360 frames = 3600s)

Vespera Pro

    

M 81/82 & NGC 3077, May 10, 2024 - 2000p (360 frames = 3600s)

  Evaluation with nova.astrometry.net (includes NGC 2959, 2961, and 2976)
 

M 81/82 & NGC 3077, May 10, 2024 - 2000p (360 frames = 3600s), section, processed and denoised (PSE, DN)

  Evaluation with nova.astrometry.net