Horsehead Nebula (Barnard 33)

25 February 2021 (98% illuminated moon)

Frames

29× 300-s light frames (Gain 900)

Full use of calibration frames (darks, flats and dark flats)

Equipment

Explore Scientific ED 102 mm Apo f/7 refractor

Sky-Watcher EQ6-R PRO SynScan GOTO equatorial mount

Altair Hypercam 294C PRO colour fan-cooled camera

Altair quad-band one-shot colour (OSC) 2″ filter

Revelation Adjustable Field Flattener

Altair 60mm guide scope

Altair GPCAM2 AR0130 mono guide camera

Software

Sharpcap

PHD2

DeepSkyStacker

Photoshop

StarNet

Topaz Labs DeNoise AI