Messier 42 & NGC 1977

Photographer : Yongho Ji

DATE : 2022-01-15

Place : Gimpo in Korea(Bortle class 5)

Telescope : Esprit 120ED, Default flattener

Tripod & Mount : SONA 25-25 Harmonic EQ mount

Guide scope/camera : Redcat 51, f4.9, ZWO ASI462mc

Camera : ZWO ASI 2600mm pro(Gain 100, offset 50, Temperature -20°C)

Filters : ZWO 36mm, L, Ha(6nm), Sii(6nm), Oiii(6nm)

Exposure : Total 16.6 hours
L : 10sec x 30
Ha : 300sec x 20
Sii : 300sec x 5
Oiii : 300sec x 5

Software : ZWO ASIAIR pro, DeepSkyStacker, PixInsight, Photoshop