Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's galaxy  ·  Bode's nebulae  ·  M 81  ·  NGC 3031
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M81 in the Integrated Flux Nebulae, Jerry Yesavage
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M81 in the Integrated Flux Nebulae

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M81 in the Integrated Flux Nebulae, Jerry Yesavage
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M81 in the Integrated Flux Nebulae

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Description

This dusty area away from the edge of the Milky Way is described well in the following web site and quote. Looking for new targets I've imaged it a number of times, but not from a dark site. When I first saw this I thought it was an artifact. What looks like a double dust ring in the lower left is there in other images....

http://www.galaxyimages.com/UNP_IFNebula.html

Integrated Flux Nebulae is the term I've coined to describe high galactic latitude nebulae that are illuminated not by a single star (as most nebula in the plane of the Galaxy are) but by the energy from the integrated flux of all the stars in the Milky Way. These nebulae clouds, an important component of the Interstellar Medium, are composed of dust particles, hydrogen and carbon monoxide and other elements.

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M81 in the Integrated Flux Nebulae, Jerry Yesavage

In these public groups

Cloudy Nights

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Messier Objects