(meteorobs) Nice variety of Fireballs occured.

meteoreye at comcast.net meteoreye at comcast.net
Sat Oct 6 13:09:48 EDT 2007


That was to be my question.

How bright were the fireballs you are speaking of?

-------------- Original message -------------- 
From: drobnock <drobnock at penn.com> 

> I apologize for this rant, BUT..... 
> 
> This is a bit disconcerting when the following statement is made: 
> 
> "Ranging from what I CALL category 3 & 4. 
> Category 3 means medium brightness and more than 1 second duration. 
> Category 4 means Fainter and 1 second duration." 
> 
> I do believe there are standards established for classification of 
> visual fireballs. It may be better at this time to use the standard 
> language rather than interject a new system that is not universally 
> accepted.. 
> 
> If it is a fireball, then stating it it is brighter than -4 to -3 
> mag. with a duration of x secs, most observer would understand the 
> significance of the visual observation. There was a discussion on the 
> classification of fireball on this site Fri, 9 Jul 1999 22:07:47 EDT. 
> 
> I believe the various data bases do not have the categories suggested. 
> If categories are to be used, then a discussion has to be held where 
> there is a common standard for the data. Not a an arbitrary 
> identification. 
> 
> 
> George John Drobnock 
> 
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