(meteorobs) Large fireball over New Mexico Oct 9, 2009

[Larry]

Hi again Thomas, Great photo!!! You guys in New Mexico & Colorado always get 
the best ones it seems.....

Do you have the Sentinel version (Python25) that has the "Generate Light 
Curve" button on the right bottom side of the Wagon Wheel image? If so, what 
is the peak graph reading?

Larry
YCSenitnel


----- Original Message ----- 
From: "Thomas Ashcraft" <ashcraft at heliotown.com>
To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
Sent: 2009/10/09 20:53
Subject: Re: (meteorobs) Large fireball over New Mexico Oct 9, 2009


> Larry wrote:
>> Thomas, that looks a (LOT) brighter than the moon!. What is the peak 
>> light
>> graph amplitude in pixels?.......30,000 ?
>>
>> I suspect it was as bright as the Sun!!!!
>>
>>
>
> Larry,
>
> I might be wrong but my understanding of fireball magnitude is that you
> assess the bright core of the meteor without necessarily factoring in
> the fainter surrounding flash.  Maybe a magnitude expert could address
> this question?  At least in this specimen the Moon is in close proximity
> to the fireball and it is a known magnitude of -10.92 at that exact
> moment ( without extenuating factors which might bump the mag higher in
> this case due to altitude, atmospheric extinction and other possible
> factors).
>
> Thomas
>>>
>>> http://www.heliotown.com/Fireball_20091009_Ashcraft.html
>>>
>
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