Time : 2021.04.20. 16:50 KST
Condition : Seeing 10/10, Cloudy 2/10, Transparency 2/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 2723, Exposures 180s, Gain 170, Exp time 30ms
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=4, f=37
19D, 15J, -25D, -18J
Photographer : 김예림
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H-Alpha Full Disk
Time : 2021.04.20. 14:08 KST
Telescope : Coronado SolarMaxII 90/BF30 - Single stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 1494, Exposures 180s, Gain 160, Exp time 8ms
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 598, Exposures 120s, Gain 280, Exp time 30ms
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stack 599, Exposures 120s, Gain 280, Exp time 40ms
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