Time : 2021.08.22. 12:53 KST
Condition : Seeing 5/10, Cloudy 10/10, Transparency 3/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 1296, Exposures 180s, Gain 129, Exp time 5.4ms
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=13
13A2, 19H11
Photographer : 김예림
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H-Alpha Full Disk
Time : 2021.08.22. 13:17 KST
Telescope : Coronado SolarMaxII 90/BF30 - Double stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 733, Exposures 120s, Gain 129, Exp time 5.4ms
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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Time : 2021.08.22. 14:06 KST
Telescope : Coronado SolarMaxII 90/BF30 - Single stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 910, Exposures 120s, Gain 115, Exp time 9 ms
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Baader D=4 filter, stack 1050, Exposures 60s, Gain 65, Exp time 1.2 ms
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Single stack, stack 600, Exposures 60s, Gain 115, Exp time 9 ms
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Baader D=4 filter, ×2.5 Powermate, stack 652, Exposures 60s, Gain 100, Exp time 4.5 ms
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