Sunspot data for 8 December 2024 of period 2024Q4: (PREV DAY - NEXT DAY)
| Sun241208_1234UTC_sketch.jpg | Sun241208_1236UTC.jpg |
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 |  Click here for the sharpened image. |
Today started out wet and grey, but around noon we had a large clearance. Transparency in it was mediocre, but the scintillation monitor reported reasonable seeing on average. I made the following observation:
Observation date/time: 08 December 2024 12:34 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 (342mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.730ms (using 82nm bandwidth green filter) Seeing (SSSMon): 2.2-2.6" (1.4" at best) =================================================================== Total number of sunspots: 35 | |
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