Sunspot data for 30 September 2022 of period 2022Q3: (PREV DAY - NEXT PERIOD)

Sun220930_0837UTC_sketch.jpgSun220930_0843UTC.jpg





Click here for the sharpened image.
Today we had about 25% cumuli and occasional light showers. Transparency in between was good, and the scintillation monitor reported excellent seeing on average. I made the following observation: 
Observation date/time:   30 September 08:37 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):         1.5" (1.0" at best)

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Total number of sunspots:   15

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