Time : 2021.07.10. 14:09 KST
Condition : Seeing 3/10, Cloudy 8/10, Transparency 4/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 120, Exposures 10s, Gain 134, Exp time 15.3ms
Accessory : Baader AstroSolar D4 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=1, f=5
-19D
Photographer : 문장현
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