r/astrophotography • u/BashratAli • 10h ago

Astrophotography Horsehead Nebula

Post image

Acquisition: Horsehead & Flame Nebula region. ASI2600MC Pro + dual-narrowband (Antlia ALP-T 5nm). 50×180s broadband, 30×300s Ha+OIII.

Processing: Calibrated & stacked, GraXpert, SPCC. Extracted stars with StarNet. Built Ha from continuum-subtracted R, stretched Ha + starless RGB, combined as HaRGB, then added back stretched stars

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