Time : 2021.02.23. 12:38 KST
Condition : Seeing 6/10, Cloudy 6/10, Transparency 1/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 1318, Exposures 180s, Gain 50, Exp time 40ms
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=2, f=22
19D, -23D
Photographer : 최명현
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H-Alpha Full Disk
Time : 2021.02.23. 13:06 KST
Telescope : Coronado SolarMaxII 90/BF30 - Single stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 3261, Exposures 180s, Gain 40, Exp time 22ms
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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stack 3844, Exposures 120s, Gain 50, Exp time 3ms
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stack 2404, Exposures 120s, Gain 50, Exp time 3ms
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stack 2402, Exposures 120s, Gain 240, Exp time 12ms
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stack 2884, Exposures 120s, Gain 240, Exp time 12ms
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stack 4329, Exposures 120s, Gain 260, Exp time 12ms
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