Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Cigar Galaxy  ·  HD85161  ·  HD85458  ·  HD85533  ·  HD85828  ·  HD86574  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034  ·  NGC 3077
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Wider Field M81/M82 and IFN, Jeff Weiss
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Wider Field M81/M82 and IFN, Jeff Weiss
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Description

M81/M82 wider field 9.8hour HaLRGB image optimized for Integrated Flux Nebula, or IFN, 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 IFN features are compared to those by S. Mandel in the link above.

IFN Ref: www.galaxyimages.com/UNP_IFNebula.html

Versions C and higher add 12.2 hour HaLRGB of M81,M82 only at f/6 (ML8300, f/6.0) from 2014 from:

http://www.astrobin.com/88189/H/

to the 9.8 hours (ML16200, f/4.5) from 2017 to make a total exposure of 22 hours HaRGB on M81,M82, (but still 9.8 hours on the IFN and backgound).

D.A.R.C. Observatory, Mercey Hot Springs, CA, 2/22/14, 3/23/14, 3/28/17, 4/1/17

Comments

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    Wider Field M81/M82 and IFN, Jeff Weiss
    Original
    Wider Field M81/M82 and IFN, Jeff Weiss
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  • Final
    Wider Field M81/M82 and IFN, Jeff Weiss
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Wider Field M81/M82 and IFN, Jeff Weiss