Time : 2021.05.09. 12:41 KST
Condition : Seeing 8/10, Cloudy 0/10, Transparency 2/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 2196, Exposures 180s, Gain 50, 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=1, f=20
17D
Photographer : 최명현
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stack 3477, Exposures 120s, Gain 50, Exp time 2ms
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H-Alpha Full Disk
Time : 2021.05.09. 12:58 KST
Telescope : Coronado SolarMaxII 90/BF30 - Single stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 3382, Exposures 180s, Gain 60, Exp time 16ms
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 4349, Exposures 120s, Gain 220, Exp time 13ms
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stack 4349, Exposures 120s, Gain 230, Exp time 13ms
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stack 4349, Exposures 120s, Gain 220, Exp time 13ms
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stack 4349, Exposures 120s, Gain 230, Exp time 13ms
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