Sunspot data for 29 April 2026 of period 2026Q2: (PREV DAY - NEXT DAY)
| Sun260429_0944UTC_sketch.jpg | Sun260429_0947UTC.jpg |
|---|---|
 |  Click here for the sharpened image. |
today we had clear skies with some light contrails. Transparency was excellent, but the scintillation monitor reported mediocre to poor seeing on average, even though visually it was good. I made the following observation:
Observation date/time: 29 April 2026 09:44 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 (345mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 0.380ms (using 82nm bandwidth green filter) Seeing (SSSMon): 4.5-5.0" (3.0" at best) =================================================================== Total number of sunspots: 43 | |
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