CartographerEvery268 on November 11, 2025 5:30 pm Sh2-274 Medusa – planetary nebula 1,700 light years away in the Gemini constellation. -Telescope: Celestron 9.25” SCT @ f/6.3 w/reducer -Integration: 17x180s in Bortle 9 -Camera: ZWO ASI 2600MC @ -10*/100g -Filter: STC Astro DuoNarrowband -Guiding: Celestron off-axis guider w/174MM mini -Mount: Celestron CGX -Control: ASIAir Plus -Processing: PixInsight (stacking, solving, cropping, background extraction, spectro color calibration, BlurX, StarX, statistical stretch, star stretch, curves, NoiseX, pixel math)
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Sh2-274 Medusa – planetary nebula
1,700 light years away in the Gemini constellation.
-Telescope: Celestron 9.25” SCT @ f/6.3 w/reducer
-Integration: 17x180s in Bortle 9
-Camera: ZWO ASI 2600MC @ -10*/100g
-Filter: STC Astro DuoNarrowband
-Guiding: Celestron off-axis guider w/174MM mini
-Mount: Celestron CGX
-Control: ASIAir Plus
-Processing: PixInsight (stacking, solving, cropping, background extraction, spectro color calibration, BlurX, StarX, statistical stretch, star stretch, curves, NoiseX, pixel math)