Crab Nebula (M1, NGC 1952)
First light of my Artemis Art 4021 CCD camera |
   
Discovered 1731 by British amateur astronomer John Bevis and independently rediscovered in 1758 by Charles Messier.
| Right Ascension |
05 : 34.5 (h:m) |
| Declination |
+22 : 01 (deg:m) |
| Distance |
6300 (ly) |
| Visual Brightness |
8.4 (mag) |
| Apparent Dimension |
6'x4' |
The Crab Nebula, Messier 1 (M1, NGC 1952), is the most famous and conspicuous known supernova remnant, the expanding cloud of gas created in the explosion of a star as supernova which was observed in the year 1054 AD. It shines as a nebula of magnitude 8.4 near the southern "horn" of Taurus.
|
| Optic(s) |
24" Zeiss Cassegrain @ f/12.5 |
| Mount: |
German Equatorial - Zeiss |
| Camera: |
Artemis Art 4021 - monochrome cooled CCD camera – 2048 x 2048 px ; 16x16 mm; 7.4 µm x 7.4 µm (FOV with this setup 7 x 7 arcmin) |
| Filters: |
Astronomics LRGB Set (RGB and IR cut), ATiK Filter Wheel |
| Dates/Times: |
9.03.2008 / 20:21 - 21:20 UT |
| Location: |
Observatory Belogradchik (BAS) - West BALKAN mountain |
| Exposure Details: |
LRGB frames combined as Luminance. L (IR cut): 16x1 min (1x1 binning), R, G and B: 5x1 min each of colours (2x2 binning), Total ExposureTime - 31 min |
More details: |
Dark frames only calibrated. The transparency 5/7 and the seeing 5/10 in that night was not so good. The image was croped for center the object. |
Guiding: |
No |
| Processing: |
ArtemisCapture / MaxIm DL / PhotoShop / SAOImage ds9 |
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