Time : 2021.05.15. 10:56 KST
Condition : Seeing 8/10, Cloudy 10/10, Transparency 5/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 1185, Exposures 180s, Gain 85, Exp time 20ms
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=3, f=11
15B, 19C, -23J
Photographer : 원준재
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