Messier 109 (M 109)

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

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 is the brightest galaxy in the M 109 Group (also known as the NGC 3992 Group or Ursa Major cloud), a large group of galaxies in the constellation Ursa Major that may number over 50 (or 80).

M 109 (NGC 3992)
Size: 3' x 1.5' / 7.6' x 4.7' (Stoyan/Wikipedia)
Distance: 60/50 million light years (Stoyan)
Rating: * (Stoyan)

 

Map

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

 

My Best Own Photos

eVscope

    

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

Vespera Pro

   
M 109, Jun 4, 2024 - 2000p (20 frames = 200s, aborted)    
    

M 109, Jul 8, 2024 - 1800p (180 frames = 1800s)

 

M 109, Jul 8, 2024 - 1800p (180 frames = 1800s), processed

 

M 109, Jul 8, 2024 - 1800p (90 frames = 900s)

 

M 109, Jul 8, 2024 - 1800p (90 frames = 900s), processed

 

M 109, Jul 8, 2024 - 1800p (90 frames = 900s), processed and denoised (DN)

 

M 109, Jul 8, 2024 - 1800p (180 frames = 1800s), processed and denoised (DN)

 

My Own Observations

Observations March to June 2020

Observations September 2020

Observations March to June 2021

Observations June/July 2024

 

References

On this Site


Appendix: My Own Photos

eVscope

         

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)

   

Vespera Pro

   
M 109, Jun 4, 2024 - 2000p (20 frames = 200s, aborted)    
    

M 109, Jul 8, 2024 - 1800p (180 frames = 1800s)

 

M 109, Jul 8, 2024 - 1800p (180 frames = 1800s), processed

 

M 109, Jul 8, 2024 - 1800p (90 frames = 900s)

 

M 109, Jul 8, 2024 - 1800p (90 frames = 900s), processed

 

M 109, Jul 8, 2024 - 1800p (90 frames = 900s), processed and denoised (DN)

 

M 109, Jul 8, 2024 - 1800p (180 frames = 1800s), processed and denoised (DN)