SH2-115 w/ Abell 71

Sat Jul 26 2025

Here's a very active region in Cygnus containing lots of hydrogen & oxygen with an interesting nebula in the upper right corner, Abell 71.

About this object

Type

Emission Nebula

Constellation

Cygnus (the Swan)

Catalogue designations

Sh2-115

Sh2-115 is an emission nebula in the constellation Cygnus (the Swan).

Acquisition

• Antlia 3nm Narrowband H-alpha 36 mm: 115 × 3m (5h 45m)
• Antlia 3nm Narrowband Oxygen III 36 mm: 230 × 3m (11h 30m)
• Total integration: 17h 15m

Equipment

• Telescope / Lens: Celestron C8
• Camera: ZWO ASI2600MM Pro
• Mount: Celestron CGEM II
• Filters: Antlia 3nm Narrowband H-alpha 36 mm, Antlia 3nm Narrowband Oxygen III 36 mm
• Guiding scope: SVBony SV106 60mm Guide Scope
• Guiding camera: ZWO ASI174MM Mini
• Accessories: Celestron 0.63X SCT Reducer (94175), ZWO EFW 7 x 36mm
• Software: Pleiades Astrophoto PixInsight

Astrophotography by David Joyce, AstroDavido.