Time : 2021.08.20. 11:17 KST
Condition : Seeing 7/10, Cloudy 9/10, Transparency 8/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 1010, Exposures 180s, Gain 120, Exp time 5.5 ms
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=3
13B3
Photographer : 오성진
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H-Alpha Full Disk
Time : 2021.08.20. 11:50 KST
Telescope : Coronado SolarMaxII 90/BF30 - Double stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 1314, Exposures 120 s, Gain 135, Exp time 5.5 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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