Deep Gasses of M81 M82 & NGC3077

[Seti Astro]

I was intrigued after seeing images of the "cap" on M82 and wanted to take a deep look (40hrs) at the M81/M82 region in both Ha and OIII. There is a lot of structure around these galaxies and a large arc extending below NGC3077 that I have never seen before. There is also the very intriguing Ho IX 9&10 hydrogen structures just below M81.

 

In M82 you can see the hydrogen reaching up to the cap although I have read some controversy if that is coincidence or if it is truly part of the starburst outflow.

 

In the large loop extending below NGC3077 there is listed [CVL2009] Garland-3 identified as the brighter bead on the right of the loop. If anyone has more information on this structure that would be very interesting to read about! There is a ton of cataloged items in M81 to explore more fully.

 

For the continuum subtracted gas images I used a Foraxx palette to combine them.

 

I did find a great paper on Ho IX 9&10: https://www.aanda.org/articles/aa/pdf/2005/01/aa1200.pdf

 

Video I made on my image https://youtu.be/xE-BmVQXg78

 

Link to Astrobin: https://astrob.in/kf7vjp/0/

 

Comments appreciated!

 

 

 

 

M82

 

 

 

 

NGC3077

 

Edited March 15 by Seti Astro
Fixed Broken Link