Sunspot data for 16 March 2023 of period 2023Q1: (PREV DAY - NEXT DAY)
| Sun230316_1601UTC_sketch.jpg | Sun230316_1609UTC_lum.jpg |
|---|---|
 |  Click here for the sharpened image. |
Today started out grey, but it later cleared to about 80% cumuli and hazy sky. Transparency was very poor, and the scintillation monitor was not able to reported seeing. I made the following observation:
Observation date/time: 16 March 16:01 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 (342mm distance, 80mm diameter) Reference: Earth's rotation axis Exposure (transparency): 2.000ms (using 82nm bandwidth green filter) Seeing (SSSMon): n.a. =================================================================== Total number of sunspots: 4 | |
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