astrophotography by bill w

another comet of the century turned out to be a bust but despite comet ISON's demise during it's pass by the sun there's anoth...

last year was the year of the solar maximum peak in the 11 year cycle of sunspot activity this is related to the sun's magnetic field ...

haven't imaged in about 6 months due to move/move/remodel... Jupiter is just past opposition now and should be in excellent position for...

Here are 4 images over 6 years showing the expansion of the crab nebula, a supernova remnant.  Extrapolating the expansion back to ti...

On July 4th 1054 AD, astrologers observed a bright blue square in the sky near the sun at dawn. it was visible during the day for 3 weeks an...

  this is the year of the solar maximum--maximum sun spot activity in the 11 year solar cycle. 10 pm pacific today 6/20/13 is the summer sol...

interrupting the planetary overview. lot's of solar activity on mother's day here's a close up with the bright disk blocked ...