Sunspot data for 1 July 2024 of period 2024Q3: (PREV PERIOD - NEXT DAY)
| Sun240701_1757UTC_sketch.jpg | Sun240701_1800UTC.jpg |
|---|---|
 |  Click here for the sharpened image. |
Today was grey, but at the end of the afternoon some small clearance appeared. Transparency in between was poor, and the scintillation monitor could not report seeing (but it was about 2" on average). I made the following observation:
Observation date/time: 01 July 2024 18:57 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 (350mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 1.080ms (using 82nm bandwidth green filter) Seeing (SSSMon): 2" =================================================================== Total number of sunspots: 32 | |
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