Sunspot data for 30 May 2021 of period 2021Q2: (PREV DAY - NEXT DAY)
| Sun210530_0935UTC_sketch.jpg | Sun210530_0942UTC.jpg |
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Today we finally spring arrived. Sadly enough it came with poor seeing, even the projected Sun was clearly affected by it.
Yesterday we saw the last bit of AR2824, today it was gone but replaced by AR2827. I made the following observation:
Observation date/time: 30 May 2021 @ 09:35 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: 3 | |
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