astrophotography by bill w

 Mars is here. The seeing wasn't great this session, so i imaged without a barlow.  I wanted to test out an infrared filter with a color...

detail on mercury is still on my wish list.  unfortunately, the goto on my failing mount is not up to mid day imaging.  so i gave it a shot ...

cruising along the 3 day old crescent moon from mare crisium leads to this pair of craters with prominent central peaks and terraced walls: ...

a lunar mare (latin for sea) is a large smooth dark region on the surface of our moon.  early astronomers thought they resembled seas on the...

tonight's falcon-9 launch exceeded expectations despite a relatively bright sky: Image details: nikon D850 F-S DX NIKKOR 55-300mm f/4.5-...

had a rare warm summer night with clear skies and decent seeing.  unfortunately my mount is on the fritz, so i was unable to get out the big...

some models predict all the colors of the rainbow can be detected at the edges of an eclipsed moon.  here's an image at the end of the t...