Sunspot data for 5 October 2021 of period 2021Q4: (PREV DAY - NEXT DAY)

Sun211005_1523UTC_sketch.jpgSun211005_1526UTC.jpg


This afternoon the skies cleared after some heavy showers, leaving us with some 30% cumuli. Transparency reasonable, seeing excellent. I made the following observation: 
Observation date/time:   05 October 15:23 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 (351mm distance, 80mm diameter)
Reference:               Earth's rotation axis
Exposure (transparency): 0.230ms
Seeing (SSSMon):         1.5"-2.0"

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Total number of sunspots:   2

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