Sunspot data for 23 October 2022 of period 2022Q4: (PREV DAY - NEXT DAY)
| Sun221023_1412UTC_sketch.jpg | Sun221023_1418UTC.jpg |
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 |  Click here for the sharpened image. |
Today started out almost fully overcast, but it cleared at the start of the afternoon, leaving just a thin cirrus. The transparency was good, and the scintillation monitor reported good seeing on average. I made the following observation:
Observation date/time: 23 October 14:12 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 (346mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.220ms Seeing (SSSMon): 2.0-2.5" (1.0" at best) =================================================================== Total number of sunspots: 6 | |
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