The Shark Nebula in Cepheus
This predator apparition is composed only of interstellar gas and dust. This is my latest project, the Shark Nebula. Actually lots to see in this image including LDN1235, VDB 149, VDB150 and galaxy PGC 67671. It’s an interesting region of interstellar gas and dust sculpted by massive stars and their fast stellar winds and light energy. It’s located about 650 light years from Earth in the constellation of Cepheus.
This image was taken using the Starfield Optics 8inch astrograph equipped with a Starizona Nexus F3 reducer/corrector. A QHY268M cooled cmos camera was also used along with a QHY electronic filter wheel with Optolong filters inside; L-R-G-B filters were used to capture this data.
This cloud of interstellar gas and dust spans 15 light-years head-to-tail. It’s very faint and challenging to image from a city.
- Starfield Optics 8″ Astrograph (native F4) https://bit.ly/3cvNGXh
- Starizona NEXUS .75 reducer/coma corrector for F3 https://bit.ly/3MCijaB
- QHY268M CMOS Camera (https://bit.ly/3Aj23FE), 26mp, 3.76um @ -10C
- QHY CFW3-L 7 position https://bit.ly/3jAp9Sb
- Optolong LRGB filters https://bit.ly/3dvhqBa
- Skywatcher EQ6 mount / Skyshed Pier (Skyshedpod.com)
- Pegasus Astro Focus Cube (EAF) https://bit.ly/3dzagfr
- NINA 2.0 for acquisition
- Processed in PixInsight
- Seeing and transparency: average to good
- Total integration time: 17.5 hours (1min subs at high gain)
- Location: Kitchener, Ontario, Canada
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