astrophotography by bill w

a nice set of sunspots were on display the weekend of 4/23/22.  Here's an animation comparing two views: a traditional "broad band...

I don't usually post others' work, but I sort of collaborated: StormyStarry Night Notice anything unusual about the sky? The sky is ...

Here's a capture of Uranus equatorial north (earth's) up: Uranus 11/29/21 06:50 UTC Uranus' north pole is rotated to the left 90...

seeing was not great for me this past apparition of jupiter.  here's an animation at low power: Jupiter 10/4/21 03:34-03:47-UTC Here...

 unusual spiked sun spots saturday morning ;) spiked sunspots 2/5/2022 15:55 UTC according to google they are spiked seed capsules from the ...

a long straight trough on the moon is called a rille (german for groove). just to confuse, "rima" the latin term for crack or fiss...

also seen in the wider image in the previous post is this trio of craters: Theophilus, Cyrillus and Catharina craters  9/13/2021 02:54 UTC  ...