Starry Vistas by Don J. McCrady
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M1 - The Crab Nebula

Narrowband

The Crab Nebula

The Crab Nebula is a remnant of a supernova that occurred in 1054, and is also the first item listed in Messier's famous catalog. It lies about 6500 light years distant in the constellation of Taurus. This is a false colour image with SII=red, H-alpha=green, OIII=blue, and has been upsampled by 200%.

Takahashi Sky 90 at f/4.5
SBIG STL-4020M (remote guide head)
Takahashi EM-200
H-alpha, OIII, SII: 2 hours each channel
Processed with Maxim/DL, CCDStack, and Photoshop CS4
Noel Carboni's Astronomy Tools


4-Jan-2005 (Canon 300D)

The Crab Nebula