M 22 (NGC 6656) Globular Cluster in Sagittarius
Located at: RA 18 hours 36 minutes 24 seconds, Dec -23 degrees 54 minutes 12 seconds
Size: 32'; Magnitude: 5.2; Class: 7
North is up
West to the right
| Telescope: |
8" f5 Newtonian reflector |
| Camera: |
ST-8XME, self-guided, binned 1x1, temp -15c, camera control MaxIm DL 4.56 |
| Image: |
Lumicon Deep Sky filter, 240 minutes (24 x 10 minute subs), 08/11/16/2007 |
| Processing: |
CCDStack 1.2, Photoshop 7.0 |
| Location: |
Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s) |
| Notes: | This magnificent southern globular cluster has a cataloged size that is as big as my vertical field of view (about 31 arc minutes). M 22's outer stars merge into the dense Milky Way background in this image. See here for a 14.5" Newtonian image on hypered Tech Pan 2415 |
