Sunspot data for 10 May 2022 of period 2022Q2: (PREV DAY - NEXT DAY)

Sun220510_1656UTC_sketch.jpgSun220510_1659UTC.jpg





Click here for the sharpened image.
This morning started out fully overcast, but a small opening occurred just after dinner. Transparency was good, and the scintillation monitor reported good seeing. I made the following observation: 
Observation date/time:   10 May 16:56 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 (348mm distance, 80mm diameter)
Reference:               Earth's rotation axis
Exposure (transparency): 0.210ms
Seeing (SSSMon):         2.5-3.0"

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Total number of sunspots:   12

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