Sunspot data for 2 April 2022 of period 2022Q2: (PREV DAY - NEXT DAY)
| Sun220402_1633UTC_sketch.jpg | Sun220402_1642UTC.jpg |
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in the late afternoon I finally had time to make my observation. The sky was dotted with small cumuli. Transparency was mediocre, seeing was reported mediocre as well by the scintillation monitor. I made the following observation:
Observation date/time: 02 April 16:33 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): 0.250ms Seeing (SSSMon): 4.0-5.0" =================================================================== Total number of sunspots: 20 | |
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