astrophotography by bill w

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...

Then totality. the sky darkened, but was still visibly blue i viewed the eclipse through light cloud cover perhaps making this experience...

digression: since the human visual system is more accurate for luminance (black and white) than color, one can combine a low resolution co...