Time : 2021.08.04. 13:57 KST
Condition : Seeing 7/10, Cloudy 8/10, Transparency 5/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, Gain 95, Exp time 40 ms
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=3, f=14
-32D, -12A, -10A
Photographer : 최명현
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H-Alpha Full Disk
Time : 2021.08.04. 14:02 KST
Telescope : Coronado SolarMaxII 90/BF30 - Single stack, Harmonic Mount
Camera : ZWO ASI-183MM, Gain 100, Exp time 40 ms
Accessory : MoonLite Motor-focuser, Contrast Booster Filter
Software : Processing in Autostakkert! 3.0.14, Photoshop cc 2020, Registax V6, Topaz labs
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