Sunspot data for 22 August 2022 of period 2022Q3: (PREV DAY - NEXT DAY)

Sun220822_0751UTC_sketch.jpgSun220822_0755UTC.jpg





Click here for the sharpened image.
This morning we had clear skies. Transparency in between was good, and the scintillation monitor reported excellent seeing on average. I made the following observation:
Observation date/time:   22 August 07:51 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 (352mm distance, 80mm diameter)
Reference:               Earth's rotation axis
Exposure (transparency): 0.180ms
Seeing (SSSMon):         1.5" (0.8" at best)

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Total number of sunspots:   22

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