(meteorobs) Nice variety of Fireballs occured.

meteoreye at comcast.net meteoreye at comcast.net
Sat Oct 6 15:49:59 EDT 2007


Is there a master list of IAU definitions? I can't find anything at all on the website. A search for fireball returns nothing, and Comm 22 has nothing there I could find.

-------------- Original message -------------- 
From: "Chris Peterson" <clp at alumni.caltech.edu> 

> There is a formal IAU definition for fireball, which is any meteor with 
> an apparent magnitude brighter than any planets, which is generally 
> taken as -4 or brighter. The IMO sometimes uses a zenith normalized 
> value of brighter than magnitude -3. 
> 
> Chris 
> 
> ***************************************** 
> Chris L Peterson 
> Cloudbait Observatory 
> http://www.cloudbait.com 
> 
> 
> ----- Original Message ----- 
> From: 
> To: "Global Meteor Observing Forum" 
> Sent: Saturday, October 06, 2007 11:59 AM 
> Subject: Re: (meteorobs) Nice variety of Fireballs occured. 
> 
> 
> AFAIK, there isn't one for fireball, though. 
> 
> --- 
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