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Image of the Week

Image of the Week, December 23, 2016

Peter Feltoti m52 ngc7635

Messier 52 and NGC7635 Bubble Nebula, by Peter Feltóti

If it is autumn, then it’s Cassiopeia, and as we are still deep in the disk of Milky Way, the menu is open clusters and red glowing clouds of hydrogen. The picture shows Messier 52 open cluster and NGC7635 Bubble Nebula. It seems that the two objects are only 0,5 arc-sec away from each other, in reality they are much farther. The Bubble Nebula which is created and is being forced to glow in H-alpha light by a supergiant star and is 7,000 light years away, M52 is about 3000-7000 ly. The uncertainty comes from the fact that interstellar dust absorbs light making the measurement and estimation less accurate. The inflation of the gas bubble is still in progress. During that one week while I was shooting, it expanded one billion km.

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Details

123*5 min ISO800
200/800 Newton carbon astrograf
Canon EOS 600D modded
EQ6 goto mount (belt drive)
Lacerta Mgen autoguider
Mátra – Zselic, 01.09.2016

See this image in high resolution.

About the photographer

Peter Feltóti
Location: Hungary
Website, Facebook

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