This image represents my first completed project of 2026. It began as a simple equipment test on December 30th but evolved into a full project during the cold nights of January.
Capturing the Crab Nebula (M1) with a wide-field refractor (550mm FL) is a challenge due to its apparent size. To resolve the intricate filaments of this supernova remnant, I accumulated 18.8 hours of total integration from my backyard observatory in a semi-urban location (Boadilla del Monte, Spain).
I used ultra-narrowband filters (Ha 3.5nm and OIII 4nm) to combat light pollution and applied a Drizzle x2 technique during processing to recover fine details of the expanding gas shell.
Technical Data:
Total Integration: 18.8 hours (Ha: 7.1h | OIII: 9.7h | RGB Stars: 2h).
Processing: PixInsight (Drizzle x2 + Crop).
Equipment Used (Equipo): (Copiado de tus datos, formato lista).
Telescope: Sky-Watcher Esprit 100 ED Super Apo
Mount: Sky-Watcher Wave 150i
Camera: ZWO ASI2600MM Pro
Filters: Baader Ultra-Narrowband (Ha 3.5nm / Oiii 4nm) + Baader RGB