Sunspot data for 26 March 2021 of period 2021Q1: (PREV DAY - NEXT DAY)

Sun210326_0940UTC_sketch.jpgSun210326_0945UTC.jpg


This morning we had 75% cumuli drifting by fast, during the clearest moments I made the following observation: 
Observation date/time: 26 March 2021 @ 09:40 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 (80mm diameter)
Reference:             Earth's rotation axis

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Number of groups:      2
Group 1:
    Number of sunspots:    1
Group 2:
    Number of sunspots:    2
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Total number of sunspots:  3

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