NGC 2903 in Leo, type Sb+
First light of my Artemis Art 4021 CCD camera |
   
Discovered by William Herschel on November 16, 1784.
| Right Ascension |
9:32.2 (h:m) |
| Declination |
+21:30 (deg:m) |
| Distance |
20 500 000 (ly) |
| Visual Brightness |
8.9 (mag) |
| Apparent Dimension |
12.6' x 6.6' |
FOV with my setup was 7 x 7 arcmin , that is why not entire galaxy was captured in this frame.
|
| 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 / 22:03 - 22:23 UT |
| Location: |
Observatory Belogradchik (BAS) - West BALKAN mountain |
| Exposure Details: |
Luminance (IR cut): 14 x 75 sec (1x1 binning); Total ExposureTime - 17.5 min (short exposures because of not guiding) |
More details: |
Dark frames only calibrated. The transparency 5/7 and the seeing 5/10 in that night was not so good. |
Guiding: |
No |
| Processing: |
ArtemisCapture / MaxIm DL / PhotoShop / SAOImage ds9 |
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