Sunday, September 23, 2012

Planetary Nebulas

Ring Nebula

Dumbbell Nebula

Photos taken 9/22/12 with Canon Eos 1100D at Prime Focus in F10  70 mm Refractor, 30 seconds, at Look Rock on the Foothills Parkway. Photos by Noah Frere.

Ring NebulaMessier 57, M57 or NGC 6720) appears in the northern constellation of Lyra.[5] It is a prominent example of a planetary nebula. This is a shell of ionized gas expelled into the surrounding interstellar medium by a red giant star, which was passing through the last stage in its evolution before becoming a white dwarf.

Dumbbell Nebula: Messier 27, M 27, or NGC 6853) is a planetary nebula (PN) in the constellation Vulpecula, at a distance of about 1,360 light years.
This object was the first planetary nebula to be discovered; by Charles Messier in 1764. At its brightness of visual magnitude 7.5 and its diameter of about 8 arcminutes, it is easily visible in binoculars, and a popular observing target in amateur telescopes.

No comments: