Sunspot data for 24 April 2023 of period 2023Q2: (PREV DAY - NEXT DAY)
| Sun230424_1035UTC_sketch.jpg | Sun230424_1044UTC.jpg |
|---|---|
 |  Click here for the sharpened image. |
Today we started out grey, which then turned to about 80% cumulus, topped with 70% altocumulus. Transparency in between was excellent, but due to too short clear moments the scintillation monitor was unable to report seeing, although it appeared to be very good, around 1.5 - 2.0 at best moments. I made the following observation:
Observation date/time: 24 April 2023 10:35 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): 0.450ms (using 82nm bandwidth green filter) Seeing (SSSMon): 2.0" (estimated) =================================================================== Total number of sunspots: 8 | |
InFINNity Deck... Astrophotography... Astro-Software... Astro Reach-out... Equipment... White papers...
Deep Sky... Solar system (Main)... Solar System (Asteroids)... Solar System (Meteors)... Solar System (Comets)... Man-made objects...
Sun Mercury Venus Moon Mars Jupiter Saturn Uranus Aurora Borealis