Time : 2021.04.18. 11:45 KST
Condition : Seeing 5/10, Cloudy 3/10, Transparency 2/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 1538, Exposures 180s, Gain 70, Exp time 14ms
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=18
14J, -24D
Photographer : 원준재
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H-Alpha Full Disk
Time : 2021.04.18. 11:58 KST
Telescope : Coronado SolarMaxII 90/BF30 - Single stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 2187, Exposures 180s, Gain 75, 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 823, Exposures 120s, Gain 240, Exp time 14.5ms
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stack 4355, Exposures 120s, Gain 250, Exp time 14ms
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