Time : 2021.07.02. 14:52 KST
Condition : Seeing 3/10, Cloudy 8/10, Transparency 3/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 847, Exposures 180s, Gain 122, Exp time 10.8ms
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=2, f=35
-25J, -18D, 17D
Photographer : 문장현
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H-Alpha Full Disk
Time : 2021.07.02. 15:28 KST
Telescope : Coronado SolarMaxII 90/BF30 - Double stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 2195, Exposures 180s, Gain 180, Exp time 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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stack 1681, Exposures 120s, Gain 226, Exp time 17.7ms
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