Sunspot data for 1 July 2021 of period 2021Q3: (PREV PERIOD - NEXT DAY)
| Sun210701_0840UTC_sketch.jpg | Sun210701_1329UTC.jpg |
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Today it was mainly overcast again. First we had a very small clearnce this morning in which I managed a sketch of AR2835, but was not able to check the whole surface nor to take an image. Later today we had some occasional clear spots in which I managed a second sketch and take some images under varying seeing and transparency:
First attempt:
Observation date/time: 01 July 2021 @ 08:40 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 (353mm distance, 80mm diameter) Reference: Earth's rotation axis =================================================================== Total number of sunspots: 12 Observation date/time: 01 July 2021 @ 13:25 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 (353mm distance, 80mm diameter) Reference: Earth's rotation axis =================================================================== Total number of sunspots: 9 | |
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