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

Sun220715_1205UTC_sketch.jpgSun220715_1210UTC.jpg





Click here for the sharpened image.
This morning it started out fully overcast, but th esky cleared around noon, making observations possible. Transparency was excellent, but the scintillation monitor reported mediocre seeing. I made the following observation: 
Observation date/time:   15 July 12:05 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): 0.160ms
Seeing (SSSMon):         4.5-5.0"

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Total number of sunspots:   37

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