Sunspot data for 19 June 2021 of period 2021Q2: (PREV DAY - NEXT DAY)

Sun210619_1848UTC_sketch.jpgNo image available.
No image available.
Today, just before sunset we had some thinner stratus and under this very poor transparency I made the following observation: 
Observation date/time: 19 June 2021 @ 18:48 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 (353mm distance, 80mm diameter)
Reference:             Earth's rotation axis

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Total number of sunspots:    1

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