Small Asteroid Making a Very Close Approach Today – 2009 DD45

I hope everyone ducked this morning, as a small asteroid passed within 40,000 miles (64,000 km or 1/5th the distance … More

In The Sky This Month – March 2009

This feature highlights a number of meteor showers, comets and asteroids which are visible during the month of March 2009. … More

I hope everyone was able to see the spectacular conjunction between Venus and the Moon. Even to this sometimes jaded … More

It has been a week since I posted any nightly meteor data. Unfortunately you haven’t been missing much. Clouds have … More

Based on the number of comments I’ve been receiving, many people have been enjoying (or at least startled) by the … More

Comet Lulin is still bright and easy to see. It is also rising earlier and earlier every night as it … More

Now is the best time to observe Comet Lulin. Two nights ago, Comet Lulin was easy to find as it … More

A quick reminder that bright Comet Lulin will be easy to locate tonight as it passes within a few degrees … More

Tucson has been experiencing a nice stretch of clear nights the past few days. Any bouts of cirrus have been … More

Last year on October 6, a tiny asteroid was discovered in space. Unlike all of the asteroids discovered before this … More