Sunspot data for 22 June 2023 of period 2023Q2: (PREV DAY - NEXT DAY)
| Sun230622_0846UTC_sketch.jpg | Sun230622_0853UTC.jpg |
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 |  Click here for the sharpened image. |
Today we had about 60% cumuli, topped with a haze. Transparency was very poor, and the scintillation monitor reported poor seeing on average. I made the following observation:
Observation date/time: 22 June 2023 08:46 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 (352mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.950ms (using 82nm bandwidth green filter) Seeing (SSSMon): 5.0"-6.0" (1.5" at best) =================================================================== Total number of sunspots: 41 | |
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