Sharpless 2-268 & 2-261

Emission Nebulae, Orion

January 2026. Cave Creek Canyon Observatory, Arizona Sky Village

Sharpless 2-261 (Sh2-261) also known as Lower’s Nebula, is an Emission Nebula in Northern Orion. It is the brightest object just above center in this image. Below is the fainter Sh2-268, which along with several other objects are part of the OriGem Loop, a supernova remnant identified using radio data in the 1970s.

Telescope: Askar FRA300pro f5
Mount: Astro Physics Mach-1
Camera: ZWO ASI6200MC pro
Guider: ZWO Off-Axis-Guider / ZWO120MM Mini
Filters: None. Integrated ZWO UV/IR Cut Filter Cover

112×5 mins = 560 mins

Total Imaging Time: 9h 20m

Data Imaged remotely on 5 nights during December 2025 & January 2026.
Data acquisition & Processing by David Churchill.