Time : 2021.07.24. 12:34 KST
Condition : Seeing 10/10, Cloudy 1/10, Transparency 3/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 1317, Exposures 180 s, Gain 90, Exp time 1.3 ms
Accessory : Baader AstroSolar D4 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=5, f=18
25C, -28J, -17A, -14A, -19A
Photographer : 최명현
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H-Alpha Full Disk
Time : 2021.07.24. 12:58 KST
Telescope : Coronado SolarMaxII 90/BF30 - Single stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 2197, Exposures 180 s, Gain 80, Exp time 13 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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stack 2100, Exposures 120 s, Gain 125, Exp time 0.9 ms
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stack 4346, Exposures 120 s, Gain 90, Exp time 13 ms
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stack 5218, Exposures 120 s, Gain 70, Exp time 13 ms
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stack 4200, Exposures 120 s, Gain 70, Exp time 13 ms
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