Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Cigar Galaxy  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
Getting plate-solving status, please wait...
22 hr M81 and M82 with IFN, Jeff Weiss
Powered byPixInsight
Getting plate-solving status, please wait...
22 hr M81 and M82 with IFN, Jeff Weiss
Powered byPixInsight

Equipment

Loading...

Acquisition details

Loading...

Description

22 hr HaLRGB image of M81 (Bode's Galaxy) and M82 (Cigar Galaxy) with IFN from a crop of a larger field image of this area at:

https://www.astrobin.com/290675/

Integrated Flux Nebula, or IFN, are the high galactic latitude clouds of dust particles, hydrogen and carbon monoxide and other elements that make up the interstellar medium in the Milky Way. The imaged IFN features are compared to those by S. Mandel in the link above.

IFN Ref: https://www.flickr.com/photos/9906726@N08/33497573950/in/dateposted-public/

North is to the right.

2014 (ML8300):
Astrodon 5nm Halpha: 17x960" -30C bin 1x1
Astrodon Gen2E Lum: 35x480" -30C bin 1x1
Astrodon Gen2E RGB: 45x240" -30C bin 2x2

2017 (ML16200):
Astrodon 5nm Halpha: 2x1200" -30C bin 1x1
Astrodon Gen2E Lum: 31x600" -30C bin 1x1
Astrodon Gen2E RGB: 24x600" -30C bin 1x1

Exposures: L: 9.8h , RGB: 7.0h, Ha: 5.2h: Total: 22.0h

All data collected at D.A.R.C. Observatory, Mercey Hot Springs, CA on 2/22/14, 3/23/14, 3/27/17, 4/1/17.

SQM 21.6 on 2/22/14 and 3/23/14, 21.6 on 3/27/17, 21.7 on 4/1/17.

Comments

Sky plot

Sky plot

Histogram

22 hr M81 and M82 with IFN, Jeff Weiss