Photo reader astronomy: In the galactic ocean of Cepheus
© Frank Rogin
The constellation Cepheus contains countless reflection nebulae, dark nebulae, and extensive hydrogen clouds. The image was taken using a wide-angle lens and shows the very interesting region around some of the most famous dark nebulae: LDN 1235 (the Shark Nebula – about 650 light-years from us), LDN 1251 (the Rotten Fish Nebula – about 650 light-years from us) and Barnard 175 (Wolf Cave Nebula – about 1,400 light-years away). In our garden in central Berlin (Burtel 7/8 district) I recorded the H-Alpha and OIII lines using narrowband filters. I’m always amazed at how modern narrow band filters can achieve this. I also used our holiday on the beautiful Mediterranean island of Corsica, with its dark, light-polluted skies, to collect a broadband signal. The result is very impressive (see also https://www.astrobin.com/bpmgfa/0).
Data about the image
| Goal | Wide angle shot around LDN 1235, LDN 1251, and Vdb 152 |
| location | Berlin, Corsica |
| time |
09/08/2023 at 10:00 PM CEST |
| camera | Zoo ASI294MM Pro |
| Telescope/lens | Samyang 135mm F2.0 ED UMC |
| Multiple | Celestron CGX, HEQ5 sky monitor |
| Exposure time | 30 hours and 20 minutes |
| Post-processing | Astronomical Pleiades PixInsight |
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