RCW 31 is an HII region in the constellation Puppis. The filaments are part of the Supernova remnant Puppis A (SNR 260.4-03.4). The RCW catalog entries 28-31 identify additional parts of this structure.

Telescope: Planewave CDK17 (FR) f4.5
Mount: Astro Physics 1600GTO
Camera: QHY16200A/ Integral FW
Guider: Agena Starguide II / ZWO ASI178MM
Filters: Astronomik 36mm LRGB

L: 102×10 mins = 1020 mins, R: 24×10 mins = 240 mins, G: 24×10 mins = 240 mins, B: 24×10 mins = 240 mins

Total Imaging Time: 29h 00m

Data Imaged remotely on 6 nights during January, 2026.
Data acquisition & Processing by David Churchill.

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