M 51 (NGC 5194) - Whirlpool Galaxy - with companion galaxy NGC 5195
15.06.2009
It was a test with a very short exposure time. - North is top, East is right
M 51 - 21 fr. x 30 sec. ISO 1600, calibrated and combined as B/W in MaxIm DL
M 51 - 15 fr. x 30 sec. ISO 1600, calibrated and combined in ImagePlus
Details
M51 (NGC 5194) - Whirlpool Galaxy - Spiral Galaxy, type Sc
| Right Ascension |
13 : 29.9 (h:m) |
| Declination |
+47 : 12 (deg:m) |
| Distance |
37 000 (Kly) |
| Visual Brightness |
8.4 (mag) |
| Apparent Dimension |
11 x 7 (arc min) |
| Optic(s) |
Celestron 11" Schmidt Cassegrain @ f/10 |
| Mount: |
CGE equatorial |
| Camera: |
Canon EOS 5D unmodified |
| Filters: |
None |
| Dates/Times: |
2009-06-15 T 00:39:04 UT |
| Location: |
Observatory Rozhen (BAS) - Rhodope Mountains |
| Exposure Details: |
B/W: Total exposure 10.5 min - all 21 fr. x 30 sec. ISO 1600, calibrated and combined as B/W in MaxIm DL;
Color: Total exposure 7.5 min - the best 15 RAW frames ISO 1600, calibrated and combined in ImagePlus |
| More details: |
20 Bias and 20 Dark frames calibrated |
| Guiding: |
None |
| Processing: |
B/W: MaxIm DL / PSCS2
Color: ImagePlus / PSCS2 |
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