| Classification: |
Planetary Nebula M27 / NGC6853 |
| Constellation: |
Vulpecula (Vul) |
| Object Location: |
Ra 20h 00m 16s Dec +22° 46’05° (current) |
| Size & Distance: |
6.7x6.7 Apx 1360 light years. |
|
| Date & Location: |
05-21-2012 Little Blair Valley, CA |
| Exposure: |
HaRGB, Ha= 9 @ 15nim. (bin 1x1) RGB= 4 ea. @ 10 min. (bin 2x2) |
| Optics: |
Telescope Engineering Company APO160FL @ f/7.2 F/L 1152mm. |
| Mount: |
Astro-Physics 900 GTO / ATS 10x36 pier |
| Camera: |
SBIG-ST10XME @ -15c / Guided by TV60APO / w SBIG ST-402 |
| Filters: |
Astrodon 3nm Ha, G2 RGB |
| Software: |
MaxImDL 4.56, Photoshop CS5 |
|
| Notes: |
Sky conditions: Good seeing, calm wind, Mid 60’s Image Field of view is 29 x 44 arcmin. ________________________________________
The Dumbbell Nebula (also known as Apple Core Nebula, M 27, or NGC 6853) is a planetary nebula 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. . . |