M27 – The Dumbbell Nebula

M27 is located in the constellation Vulpecula and lies at about a distance of 1300 light years from Earth. It was the first planetary nebula discovered by Charles Messier in 1764 while he was compiling his list of objects that, to him, looked like comets. The dumbbell nebula has a visual magnitude of 7.5 with a diameter of 8 arcminutes. Easily spotted in binoculars and small telescopes, and starts to show more detail in larger scopes.

‘X’ Marks the spot of M27

William Herschel named these “Planetary Nebula” because the green tint surrounding them reminded him of his discovery of the planet Uranus. He guessed that this was a newly forming solar system, but as we know now it is the result of a moderate to small star when it reaches old age. After a star uses up all it’s hydrogen the cores shrink, heat up, and they start to burn helium. After the core collapses into a white dwarf star, the outer parts expand into space and form a shell.

My Observation: The few planetary nebula I have seen have definitely made them one of my favorite deep space objects. Once centered in with my telescope at a magnification of 30x this planetary nebula is very prominent and stands out quite bright against it’s dark star filled background. At this magnification I didn’t notice the central white dwarf star, but I could make out the apparent ‘dumbbell’ shape which it got it’s nickname from.

M27 – The Dumbbell Nebula

M27 – Dumbbell Nebula. This is a re-edit of the same data used in the above image.

This image is a stack of 41 images at 30 seconds a piece and ISO800. Stacked in deep sky stacker, and edited and composited in Gimp. I did two different edits and layer masked them to bring out the red and the green colors. Taken with a Canon 350D prime focus through my Omni XLT 150.

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