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Stellar Shot of the Week
SVX90T - Seagull Nebula
May 20, 2026 - Tony Hallas
Tony Hallas caught this sublime shot of the Seagull Nebula (IC 2177) in Canis Major with his SVX90T. This emission nebula sits approximately 3,650 light-years away from Earth and spans roughly 240 light-years across. The cloud of gas at the top of this nebula fluoresces brightly from the energetic radiation given off by an extremely hot young star within (HD 53367). This type B star is twenty times the mass of our Sun, with prominent hydrogen emission lines in its spectrum. According to Tony: "Looking around for the last Winter nebulas… the Seagull is further east than most of them. I was able to still get it from my home observatory in Foresthill. This is an RGB + SHO attempt… NB colors were added to the RGB via clipped layers combined in “lighten” mode in PS. Colors were adjusted using adjustments and selective color in PS. A lot of versions of this on AB… this is my bigger and better mess."
Other Designations: Seagull Nebula, IC 2177, GUM 1, Sh2-292
Details:
Camera: Player One Zeus-M Pro
Mount: Astro-Physics Mach2 GTO
Filters:
- Chroma Blue 50 mm
- Chroma Green 50 mm
- Chroma H-alpha 5nm Bandpass 50 mm
- Chroma OIII 5nm Bandpass 50 mm
- Chroma Red 50 mm
- Chroma SII 5nm Bandpass 50 mm
Software:
- Adobe Photoshop
- Auriga Imaging Registar
- CCDWare CCDStack
- Diffraction Limited MaxIm DL
- Topaz Labs Topaz AI
*For more details and an in depth look at this image, visit Tony's AstroBin.
References:
Wikipedia contributors. (2025, November 16). IC 2177. Wikipedia. https://en.wikipedia.org/wiki/IC_2177
AstroBin. (n.d.). AstroBin. https://app.astrobin.com/u/tonyhallas?i=yzawk6
Jones, T. (2024, December 1). The Seagull Nebula. AstroBackyard. https://astrobackyard.com/seagull-nebula/
