astrophotography by bill w

after catching a glimpse of jupiter's great red spot starting to unfurl, i picked up a methane filter (which enhances the great red spot...

Here are shots of the hetch hetchy reservoir in the northwestern part of yosemite national park Hetch Hetchy, night and day, Yosemite Na...

Jupiter reached opposition (directly opposite the sun) June 10th.  you can see it rising in the east after sunset.  It will get higher and h...

Despite being at solar minimum, a moderately large sunspot was well positioned mid April: AR 2738 4/14/19 WL AR 2738 4/14/19 Ha ...

Speaking of the Virgo supercluster, here's Markarian's chain, a photogenic string of galaxies in the Virgo cluster: Markarian...

Messier 87, the smoking gun, is a super giant galaxy--over a trillion  stars--in the constellation Virgo.  M 87 lies  55 million light years...

Captured a few solar prominence images  between clouds  this weekend with a hydrogen alpha scope .  I typically process these as black and w...