Sunspot data for 12 November 2025 of period 2025Q4: (PREV DAY - NEXT DAY)
| Sun251112_1429UTC_sketch.jpg | Sun251112_1434UTC.jpg |
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 |  Click here for the sharpened image. |
today started out grey, but shortly before sunset large clearances appeared, topped with about 80% cirrus. Transparency was poor, but the scintillation monitor reported very good seeing on average (but seeing was affected by large undulations ). I made the following observation:
Observation date/time: 12 November 2025 14:29 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 (340mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.830ms (using 82nm bandwidth green filter) Seeing (SSSMon): 0.8-1.2" (0.6" at best) =================================================================== Total number of sunspots: 22 | |
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