Sunspot data for 16 January 2026 of period 2026Q1: (PREV DAY - NEXT DAY)
| Sun260116_1228UTC_sketch.jpg | Sun260116_1230UTC.jpg |
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 |  Click here for the sharpened image. |
today started out grey, but around noon some clearances allowed for observations. Transparency was very good, and the scintillation monitor reported very good seeing on average. I made the following observation:
Observation date/time: 16 January 2026 12:28 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 (338mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.530ms (using 82nm bandwidth green filter) Seeing (SSSMon): 1.4-1.8" (0.8" at best) =================================================================== Total number of sunspots: 33 | |
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