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What's Up in 2013 - at a glance

All year long, astronomers have been writing about Comet ISON: will it sizzle or will it fizzle? Both! Here’s my What’s Up video, with December status (written in mid November, but luckily, the comet didn’t completely fizzle)

ISON in December 2013

Comet ISON first spotted by amateur astronomer Bruce Gary and has been imaged by many [...]

Venus kissed the moon - a daytime occultation of Venus

going

going

gone!

Venus reappears!

If you were up before sunrise on Monday, August 13th, 2012 you might have seen a very bright “star” next to the moon. As dawn turned to daylight, you could still see that star, or rather, that planet in the daytime snuggled up to the crescent moon.

That planet was [...]

A warm-up act for the Perseids

See the moon and planets low in the west August 12, courtesy NASA/JPL-Caltech

The view from Earth – the planetary lineup in orbital perspective courtesy NASA’s Solar System Simulator, courtesy NASA/JPL-Caltech

Mars and moon imaged same day with same equipment (in 2005) courtesy Jim Keen

A trio of planets, without the moon August 7, [...]

Halloween Sidewalk Astronomy - Tradition!

Hauling a telescope across the streets of San Francisco

Jane-Orion plus Canis Major and Canis Minor

Mojo demonstrating where to find Jupiter’s moons

Getting some eye candy

Sidewalk Astronomers have been setting up telescopes on Halloween as long as there have been sidewalk astronomers!

When we lived in the San Francisco Bay Area, we’d cross the [...]

LCROSS impact in crater Cabeus October 09 2009

Rough sketch of LCROSS impact area

finished sketch of Cabeus and environs

E. A. Whitaker 1954 sketch

Mojo and I started to setup his 14.5-inch f/4.8 Litebox reflector at 3:30 a.m. on LCROSS impact morning. There were marine layer clouds at that hour, but by the time we were set up it was clear [...]