Messier 27 – Crab Nebula

Constellation: Vulpecula
Distance: 1360 light years
Magnitude: 7.5
Size: 8 arcminutes

This object was the first planetary nebula to be discovered by Charles Messier in 1764. It is easily visible in binoculars, and a popular observing target in amateur telescopes.

Processing Date: 2009-10-07
Location: South Common Observatory
Scope: Astro Professional 102ED @ F/7
Scope: Celestron C8 @ F/7
Camera: Starlight Xpress SXV-H9
Guide Scope: Williams Optics Zenithstar 66mm
Guide Camera: SX Guidehead
Exposure (Ha): 17391 seconds (avg exp 561 seconds)
Exposure (OIII): 12294 seconds (avg exp 683 seconds)
Exposure (Hb): 3600 seconds