LDN 1251 - Rotten Fish Nebula, LDN 1235 Shark Nebula,
- Imaging Target: Dark Nebula Rotten Fish Nebula ,Shark Nebula
- Coordinates Captured: Italy - Sicily -Messina
- Main Cameras: Off-Axis Guider OAG | Svbony SV238 ; Filter Drawer for OAG | SVBONY SV226P ; Astronomy USB HUB Box | SVBONY SV241 ; Petzval Astrograph Lens | SVBONY SV545 ;
- Auxiliary Guiding & Accessories: Optlong l-pro - ML Astro Sal 33 - Qhy 294 c - Asi 120 MM
Related Auxiliary Equipment
Description
This field contains LDN 1251, the famous Rotten Fish Nebula, and LDN 1235, better known as the Shark Nebula, immersed among the incredibly rich star fields of Cepheus. They are not particularly flashy objects, but they represent one of the most fascinating aspects of astrophotography: the ability to capture darkness itself. From our urban skies, light pollution erases much of the delicate contrast needed to reveal these structures. It takes hours of integration, patience, and above all, dark skies. Skies like those we were fortunate enough to experience during these two nights, sharing observations, stories, and entire nights beneath the Milky Way. And perhaps this is the most beautiful part of astrophotography: you do not take home just a photograph, but also preserve the memory of the places, the people, and the emotions experienced while that light—or, in this case, that darkness—was being captured by the sensor.
Background Introduction
To capture this fascinating region of the sky, I needed one essential condition: truly dark skies. Dark nebulae are among the most challenging objects to photograph under urban skies, where light pollution tends to erase their faintest and most delicate details. For this reason, I decided to spend two days in a mountain location in Sicily, in the Nebrodi Mountains, where I was finally able to work under exceptionally dark skies filled with stars. The f/4.5 focal ratio of the compact SVBONY SV545 allowed me to make the most of these conditions, gathering the faint light from the region and revealing even the finest details and delicate structures of these two beautiful dark nebulae. It was an experience that reminded me how, in astrophotography, choosing the right sky can be just as important as choosing the right equipment: sometimes you have to leave the city lights behind to truly see what the Universe has hidden from view.

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