Time : 2021.07.18. 11:18 KST
Condition : Seeing 7/10, Cloudy 6/10, Transparency 4/10
Telescope : Takahashi FC-100D (D=100 mm, F=740 mm), Harmonic Mount
Camara : ZWO ASI-183MM, stack 180, Exposures 50s, Gain 70, Exp time 12ms
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=4, f=42
26D, -16C, -44J, -32B
Photographer : 원준재
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H-Alpha Full Disk
Time : 2021.07.18. 11:10 KST
Telescope : Coronado SolarMaxII 90/BF30 - Double stack, Harmonic Mount
Camera : ZWO ASI-183MM, stack 937, Exposures 120s, Gain 90, Exp time 12ms
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 85, Exposures 60s, Gain 205, Exp time 14ms
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stack 130, Exposures 60s, Gain 190, Exp time 13ms
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