Sunspot data for 26 May 2022 of period 2022Q2: (PREV DAY - NEXT DAY)
| Sun220526_0908UTC_sketch.jpg | Sun220526_0916UTC.jpg |
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 |  Click here for the sharpened image. |
Today the sky was covered with about 40% cumuli, a second layer of very thin cirrocumuli with occasional gaps, and aeroplane contrails. Transparency in the gaps was excellent, and the scintillation monitor reported reasonable seeing. I made the following observation:
Observation date/time: 26 May 09:08 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 (349mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.160ms Seeing (SSSMon): 4.0-5.0" =================================================================== Total number of sunspots: 10 | |
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