Time : 2021.04.22. 13:33 KST
Condition : Seeing 7/10, Cloudy 8/10, Transparency 2/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, Gain 200, Exp time 60ms
Accessory : Baader AstroSolar D5 Film, full aperture, Baader Solar Continuum & Contrast Booster Filter
Software : Processing in Autostakkert! 3.0.14, Photoshop cc 2020, Registax V6, Topaz labs
Location : ButterStar Observatory, N37°54′16″, E127°3′33″, 80m
Sunspot Data : g=4, f=26
19D, -24E, -17J
Photographer : 최명현
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