(meteorobs) Quadrantids, Sharon MA USA 2008 Jan 4

Chris Peterson clp at alumni.caltech.edu
Fri Jan 4 18:22:28 EST 2008


My camera caught 46 Quadrantids last night. Peak activity was at UT 
11:30 (Colorado MST 05:30). All the meteors were at least magnitude 1, 
and there were many fireballs. The low radiant also means that a strong 
antiradiant was detected.

Images, videos, and data plots are at 
http://www.cloudbait.com/science/quadrantid2008.html

Chris

*****************************************
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com


----- Original Message ----- 
From: <meteoreye at comcast.net>
To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
Sent: Friday, January 04, 2008 10:38 AM
Subject: Re: (meteorobs) Quadrantids, Sharon MA USA 2008 Jan 4


>I think I failed you in the last NAMN notes..
> Due to the low radiant elevation, observations before 3 AM (EST) are 
> hammered. At most, under LM +6.5 skies, you might see half the ZHR at 
> 3 AM, even less before then.
> If you had +6.5 skies that would mean 60 per hour, if the 120/Hr peak 
> ZHR occurred at 3 AM, which it did not. It was earlier, which reduced 
> the rates even more.
>
> If your skies are worse than LM +6.5 (which almost all of us in the 
> northeast suffer from) the rate will be even lower.
>
> I had only 4.3 QUA/Hr (under LM +5.5 skies) from midnight until 2 AM 
> EST.
> The last hour (between 5:08 EST and 6:08 EST) I had 35 QUA.
> Pierre, who has 0.3 Mag deeper (LM +5.8) youthful eyes probably saw 
> over 50.
>
> I'll try and make clear the effect of radiant elevation and LM during 
> the next few month's NAMN notes.
>
> Wayne




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