As told in the July 2013 Sky & Telescope, on the morning of July 29th a 9.1-magnitude orange star in Aries will vanish for up to 3 seconds behind the invisibly faint asteroid 1074 Beljawskya, as seen from a narrow track running from west Texas through southern Missouri, Ohio, southeasternmost Ontario, and Montreal. The occultation will happen within a few minutes of 8:56 UT.

Here are a map of the track, finder charts for the star, predicted times, and more details.

Looking beyond, here is Steve Preston's pick of the best asteroid occultations worldwide for 2013.

And Preston's master list of many more asteroid occultation predictions.

To learn about today's asteroid-occultation timing world and to join the fun, see Worldwide Asteroidal Occultation Observations and Resources. Video is now the standard timing method. For information on video recording and precise time extraction, see the "Equipment" heading.

For actual human advice and help, join the International Occultation Timing Association (IOTA) Yahoo discussion group, say hi, and ask.

Here are results of past timing campaigns (in the "Results of Observations" box at top).

Free e-book: Chasing the Shadow: The IOTA Occultation Observer’s Manual (the preview page).

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