Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
M81-M82, Charlie Miller
M81-M82
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M81-M82

M81-M82, Charlie Miller
M81-M82
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M81-M82

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Description

The classic wide field image of M81 and M82. Only 12 subs in each of the R, G and B filters; 5 minute exposures; binned 2x2.

The lightness of the background is not actually background. It is the under exposed "Integrated Flux Nebula" also know as the IFN. Gas and dust in our galaxy that lies in the line of site to these two galaxies. The IFN will show up in subs of much longer exposure times.

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Sky plot

Sky plot

Histogram

M81-M82, Charlie Miller