Helix Nebula, El Ojo de Dios (Eye of God) (Caldwell 63, NGC 7293). From my back garden in Austin, Texas 2024-08-09,12,& 13. NBOSC HOO palatte.

Over 8 hours integration time with 100 5' exposures stacked. WO RedCat 250/51mm, L-Ultimate dual NB filter, ASI533 MC camera, ASIAIR Plus controller, SW AZ-EQ5 mount.

Processed in PixInsight: drizzle stacked then SPCC, Auto DBE, RC-Astro Noise/Blur/StarXTerminator plugins, GHS stretch, curves LHE, HDRMS, & MLT sharpening. Final exp and crop in PS