The Shark Nebula
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LDN 1235 — the Shark Nebula — lurks in Cepheus about 650 light-years away. It isn’t a bright, glowing nebula; it’s a dense cloud of interstellar dust that shows up by blocking the star field behind it, carving out the shark’s dark “nose” and body across the Milky Way backdrop.
Near the head you can spot faint blue reflection nebulosity (vdB 149/150), where nearby hot stars scatter light off the dust. Spanning roughly 15 light-years from head to tail, this is just a small slice of a much larger dusty complex—and a reminder that some of the most dramatic deep-sky targets are defined by the subtlest contrast.
Scope: Askar 103APO
Lens: Askar 0.6x Reducer
Camera: ZWO ASI 294MC Pro
Filter: Svbony UV/IR-Cut
Mount: SkyWatcher AZ-EQ5-GT
Guiding: SkyWatcher Evoguide 50ED with ZWO ASI 224MC
Controller: ZWO ASIAir Pro
Focusser: ZWO EAF
Integration time: 18hrs 55min
Full version and print available at:
https://adfr.io/astro/20260120_ldn1235
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#longexposure #spacephotography #astronomy #astrophoto #stargazing #science #nightsky #celestial #dust