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

Sun220410_0829UTC_sketch.jpgSun220410_0834UTC.jpg


weather is calm again. Today we had reasonable clear skies with only a layer of very thin stratus. Transparency was good, the scintillation monitor reported mediocre seeing. I made the following observation: 
Observation date/time:   10 April 08:29 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 (343mm distance, 80mm diameter)
Reference:               Earth's rotation axis
Exposure (transparency): 0.190ms
Seeing (SSSMon):         4.5-5.0"

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Total number of sunspots:   1

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