astrophotography by bill w

here's my biennial addition to the crab nebula expansion from 2006 to 2016(17) it appears as though the pulsar wind is outstripping the...

Here's an image of open cluster M 25 taken with a small refractor. Open Cluster M 25 An open cluster is a group of up to a...

After the recent lunar eclipse, I attempted to line up a before and after image, superimposing the full moon from the night before with the ...

Here's a spherical planetary nebula with a bright foreground star conveniently superimposed on the edge, providing the ...

here's the rising full moon on the evening of 1/30/18 followed by the setting super blue blood moon from the next morning (click on imag...

Here's a close up shot of copernicus, one of the most photogenic craters on the moon with its terraced walls and central peaks:  Cope...

saw a pair of Sundogs while running in the back bay today.  pointed them out to everyone i passed.  most thought i was crazy, but one couple...