Time : 2021.06.19. 12:48 KST
Condition : Seeing 3/10, Cloudy 4/10, Transparency 2/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 834, Exposures 180s, Gain 104, Exp time 11.7ms
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=11
25(J?)(H?)
Photographer : 문장현
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H-Alpha Full Disk
Time : 2021.06.19. 13:10 KST
Telescope : Coronado SolarMaxII 90/BF30 - Double stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 1997, Exposures 180s, Gain 227, Exp time 24.9ms
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 2545, Exposures 120s, Gain 211, Exp time 15.9ms
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stack 1889, Exposures 120s, Gain 295, Exp time 38ms
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stack 2037, Exposures 120s, Gain 292, Exp time 32.3ms
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