Sunspot data for 4 August 2022 of period 2022Q3: (PREV DAY - NEXT DAY)

Sun220804_0801UTC_sketch.jpgSun220804_0804UTC.jpg





Click here for the sharpened image.
Today we has about 40% cumuli. In between transparency was good, and the scintillation monitor reported reasonable seeing on average. I made the following observation:
Observation date/time:   04 August 08:01 UTC
Telescope:               GTT60 (Galileo Type Telescope)
Focal length:            1490mm (plano convex singlet)
Aperture:                60mm
Stop:                    30mm
Eyepiece:                -75mm (plano concave singlet, 24mm aperture)
Observation type:        projection (349mm distance, 80mm diameter)
Reference:               Earth's rotation axis
Exposure (transparency): 0.180ms
Seeing (SSSMon):         3.0-3.5" (2.0" at best)

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Total number of sunspots:   8

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