Time : 2021.07.20. 12:51 KST
Condition : Seeing 5/10, Cloudy 9/10, Transparency 5/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 154, Exposures 10s, Gain 200, Exp time 8ms
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=3, f=25
26E, 25C, -15B
Photographer : 김유리
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H-Alpha Full Disk
Time : 2021.07.20. 11:09 KST
Telescope : Coronado SolarMaxII 90/BF30 - Double stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 966, Exposures 180 s, Gain 125, Exp time 9.5 ms
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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Baader D=4 filter, ×2.5 Powermate, stack 391, Exposures 180 s, Gain 100, Exp time 4.5 ms
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stack 3782, Exposures 180 s, Gain 135, Exp time 9.5 ms
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Baader D=4 filter, ×2.5 Powermate, stack 130, Exposures 180 s, Gain 100, Exp time 4.9 ms
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stack 3392, Exposures 180 s, Gain 135, Exp time 9.5 ms
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Baader D=4 filter, stack 263, Exposures 180 s, Gain 35, Exp time 1.5 ms
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