Horsehead (2)

Horsehead Nebula (Barnard 33) and Flame Nebula (NGC 2024), combination of exposures from 21 January 2017 and 17 November 2018, 3430 sec fitswork/GIMP

Horsehead Nebula (Barnard 33) and Flame Nebula (NGC 2024), combination of exposures from 3 February 2014, 21 January 2017 and 17 November 2018, 3701 sec, PixInsight V1.8.8-5

Horsehead nebula, combination of data from 21 January 2017 (Noordwijk (NL)) and 17 November 2018 (Vorst (D), William Optics 110 mm APO

FLT f/7, Canon EOS 600D, UV-IR, UHC filter, 400 ISO/800 ISO, f = 770 mm, 3400 sec, PixInsight V 1.8.8-5

Gaining more experience with my ASI camera, I have obtained the Horsehead nebula using a narrow-band filter at H-alpha (656 nm, 12 nm HFWM). With narrowband filters, light pollution or moonlight is a minor problem.

Horsehead nebula, 26 November 2022, Kempen (D), William Optics 110 mm APO FLT f/7,

ASI 1600mm pro, H-alpha (656nm, 12 nm), 2400 sec, PixInsight V 1.8.9