Sunspot data for 15 August 2022 of period 2022Q3: (PREV DAY - NEXT DAY)

Sun220815_0814UTC_sketch.jpgSun220815_0817UTC.jpg





Click here for the sharpened image.
This morning we about 60% cumuli, combined with a thin haze. Transparency was mediocre, but the scintillation monitor reported good seeing on average. I made the following observation: 
Observation date/time:   15 August 08:14 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): 0.280ms
Seeing (SSSMon):         3.0" (2.0" at best)

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Total number of sunspots:   30

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