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M27: Dumbbell Nebula in Vulpecula

RA = 19 hr 59 min; Dec =22 deg 43 min

Date & Site:

Imaged on 5/14/18; Palomar Mountain

Conditions: temps in the low 40's; breezy; good seeing.


Telescope: DSI RC10c; 1867 mm at f/7.3

Guider: Hutech OAG-5 with SBIG STi

Mount: AP1100 CP3GOTO
Camera: FLI 6303E; CFW 2-7; Astrodon Ha and OIII (3nm) narrowband filters


Exposures: 120 minutes each of Ha and OIII (15 min subs) for a total of 4 hrs.

M27 or the Dumbbell Nebula is a bipolar planetary nebula located about 1,360 light years distant. Discovered in 1764, this was the first hint of what will become of our sun when it expells its outer shell of hydrogen and other gasses a few billion yearas from now. Click here for a good read on our sun's ultimate fate.

Color mapped with Ha assigned to red, OIII to blue, and a combined Ha+OIII channel to green.

Field of View = 52 x 35 arc minutes

Image reduced to 40% of original size. Click here for full res image

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