IC1795 - The Fish Head Nebula

Sat Sep 16 2023

The Fish Head Nebula, IC 1795, is a glowing region of star formation in the constellation Cassiopeia. It sits right beside the larger Heart Nebula and forms the 'fish' shape that gives it its name. Captured over three clear nights in hydrogen, oxygen, and sulfur.

About this object

Type

Emission Nebula

Constellation

Cassiopeia (the Queen)

Apparent size

12.0′

Catalogue designations

IC 1795

Acquisition

• Antlia 3nm Narrowband H-alpha 31 mm: 134 × 2m (4h 28m)
• Antlia 3nm Narrowband Oxygen III 31 mm: 200 × 2m (6h 40m)
• Antlia 3nm Narrowband Sulfur II 31 mm: 208 × 2m (6h 56m)
• Total integration: 18h 4m

Equipment

• Telescope / Lens: Celestron C8
• Camera: ZWO ASI1600MM Pro
• Mount: Celestron CGEM II
• Filters: Antlia 3nm Narrowband H-alpha 31 mm, Antlia 3nm Narrowband Oxygen III 31 mm, Antlia 3nm Narrowband Sulfur II 31 mm
• Guiding scope: SVBony SV106 60mm Guide Scope
• Guiding camera: ZWO ASI224MC
• Accessories: Celestron 0.63X SCT Reducer (94175), ZWO EFW 8 x 1.25″ / 31mm
• Software: Pleiades Astrophoto PixInsight

Astrophotography by David Joyce, AstroDavido.