Sunspot data for 29 April 2022 of period 2022Q2: (PREV DAY - NEXT DAY)
| Sun220429_1400UTC_sketch.jpg | Sun220429_1405UTC.jpg |
|---|---|
 |  Click here for the sharpened image. |
This morning started out fully overcast, but during the afternoon it changed to a layer of 50% cumuli topped with a fine layer of cirrostratus. Transparency in the small clearances was reasonable, but the scintillation monitor reported very poor seeing. I made the following observation:
Observation date/time: 29 April 14:00 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): 0.230ms Seeing (SSSMon): 6.0-8.0" =================================================================== Total number of sunspots: 8 | |
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