astrophotography by bill w

what's black and white and red all over? ...an image using an Ha filter.  due to the abundance of hydrogen, you'll get some sign...

here's my first light with a new ccd camera: starlight xpress trius 694 believe it or not i've never used a filter wheel before ju...

caught a bright comet with an impressive tail in January: The image frame is approximately 2 degrees wide, making this the longest...

Uranus, seventh planet from the Sun. It has the third-largest radius and fourth-largest mass in the Solar System. Uranus is similar in compo...

Neptune--eighth and farthest planet from the Sun (after Pluto’s demotion).  Along with Jupiter, Saturn and Uranus, a gas giant.  Smaller, b...

Gravitational lensing is a phenomenon predicted by einstein's general theory of relativity wherein the warp in space due to the gravita...

North America and Pelican Nebulae The North America Nebula is a huge emission nebula in Cygnus close to the bright star Deneb. It took me...