Sunspot data for 12 June 2021 of period 2021Q2: (PREV DAY - NEXT DAY)
| No sketch made. | Sun210612_1114UTC.jpg |
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After yesterday's all grey weather day we had a lousy start weather-wise this morning again with quite a bit of stratus. At 11am UTC finally the Sun came through and I made the following observation:
Observation date/time: 12 June 2021 @ 11:10 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 =================================================================== Total number of sunspots: 0 | |
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