December 18, 2017

Astro-Event: A possible Draconid Outburst?

Path of the Earth through the Giacobinid streams. (Graphic by Author).

A total wild car meteor shower may be just around the bend. The Draconid meteor shower is usually obscure even on a good year, with rates in the 5-10 per hour doldrums. This peak usually occurs on or around October 8th, and passes with nary a notice. This shower has, however, been prone to sporadic outbursts of storm level intensity. 2011 might just be one of those years. [Read more...]

AstroEvent: A Wild Card Meteor Shower.

Comet 21P Giacobini-Zinner. (Credit: NASA).

Comet 21P Giacobini-Ziner. (Credit: NASA).

 

   Sure, everyone’s heard of the Leonids and the Perseids, but have you ever stood vigil for… the Giacobinids? Also sometimes referred to as the Draconids, this sporadic shower tends to go unnoticed on most years. Radiating from the circumpolar constellation Draco, the Giacobinids produce a lackluster <5 meteors per hour… so, why the fuss? Well, the Giacobinids have been known to occassionally put on a show approaching 1,000+ storm level activity, most notably on the years 1933, 1946, and most recently, 1998. [Read more...]