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Galaxies |
| Object : | IC 342 |
| Coordinates/Direction : | RA: 03h46m, DEC: +68o05' |
| Object size : | 21.4' x 20.0' |
| Object magnitude : | 6.94 |
| More to know : |
Wikipedia: https://en.wikipedia.org/ wiki/ IC_342 |
IC 342 2022-03-04
(Click on image to get a high reslution in a new window)
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| Date : | 2022-03-04 |
| Time (UT) : | 22:36 to 23:02 |
| Mount : | SkyWatcher EQ6 Pro, beltdrive modified (DIY 2019) |
| Guide : | QHY5 camera with 200 mm f/3.5 lens |
| Lens/telescope : | Pentax 645 300 mm ED f/4 (medium format lens) |
| Corrector/Barlow : | - |
| Field (FOV) : | 6.8x4.5o (full frame) before crop |
| camera : | Canon 6D, QE=0.5, full frame, 20 Mpixel, 14 bit |
| camera temperature: | About 6o C above surrounding temperature |
| Film/CCD : | Raw, Cr2 |
| Filter : | none |
| Control system: | Mount, camera, focus, guide (Ekos) controlled by Astroberry (KStars/Ekos Linux) |
| Exp. time : | 29x30 seconds at ISO1600, dithering mode |
| Image process tool : | Siril, Fitswork, Irfanview |
| Processing : | level, cal bias dark flat, dithering |
| Weather : | clear sky |
| Site : | Sweden, Stockholm, Hagsätra, terrace at 9t floor.
Bortle 9 Free view Az: 165o to 15o, Alt: 5o to 90o |
| Comment : | This galaxy is too weak for city astrophotographing. In this 1:1 crop only traces of the galaxy could be seen. The big APO refractor and a dark place had been better. |
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