Sunspot data for 5 May 2023 of period 2023Q2: (PREV DAY - NEXT DAY)
| Sun230505_1548UTC_sketch.jpg | Sun230505_1601UTC.jpg |
|---|---|
 |  Click here for the sharpened image. |
Today started out grey, but at the end of the afternoon it cleared, although some large patches of cirrus remained. Transparency was reasonable and the scintillation monitor reported mediocre seeing on average. I made the following observation:
Observation date/time: 05 May 2023 15:48 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): 0.550ms (using 82nm bandwidth green filter) Seeing (SSSMon): 2.0"-3.0" (1.5" at best) =================================================================== Total number of sunspots: 30 | |
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