The Nebula is located 6500 lightyears away, and is approximately 11 light years across. The nebula is still expanding at the rate of 1500 kilometers per second.
At the centre of the Crab Nebula lies the Crab pulsar, which is rotating 30.2 times per second.
Process Date: 2009-10-13
Capture Dates: 2008-11-18, 2008-11-21, 2009-01-26
Scope: Astro Professional 102ED
Camera: SXV-H9
Guide Scope: Williams Optics ZS66
Guide Camera: SX Guidehead
Capture Date: 2009-10-12, 2009-10-13
Scope: Celestron C8
Camera: SXV-H9
Guide Scope: AstroProfessional 102ED
Guide Camera: SX Guidehead
Exposure (Ha): 5 hours and 50 minutes (average 401 second exposure)
Exposure (OIII): 13 x 10 minutes
