Corius Astronomy - Digital Astrophotography

Location :
Optics :
Filter(s) :
Mount :

Landgraaf
Orion Optics UK 10" f4.8 Newton + Paracorr
IDAS LPS-P2
Losmandy G-11

Autoguiding :
Camera :
Exposure info :
Total Exposure :

Atik 1HS, Vixen VMC110L & Guidemaster
Canon 20D
33 x 240 sec @ ISO800
2h 12m

[ Other resolutions/versions - or click the image for maximum resolution available ]
Higher Resolution 1024 x 768 Pixel (208 kB)
Maximum Resolution 1280 x 960 Pixel (281 kB)

Object info

The first object in the Messier catalog is the most famous known supernova remnant. The supernova of the central star was observed on July 4 in the year 1054 AD. The distance to the "Crab Nebula" in the constellation Taurus is 6300 light years.

Charles Messier cataloged this object on September 12, 1758.

Processing

DSLRFocus for focusing. Calibration, aligning and stacking in IP 2.8. Photoshop CS2 was used for final processing.
Light frames were calibrated using 45 darks, 25 flats and 20 bias frames.

Comments

Superb conditions, cold, dry weather, no moon.
An asteroid (probably 86 Semele) is captured in the top right corner of the image.

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