Hi Elton,

You sir, are the man. :)

Nice work.

Best regards,

MikeG


On 7/8/09, Mr EMan <mstreman53@...> wrote:
>
> The "plotting" thickens....
>
> I have finished plotting the bearings from the fireball reports where
> bearings noted including correcting transcription typos. So witness
> locations have azimuth legs projected over the ground and one can see where
> they tend to overlap. In Google Earth you can turn off the lines you wish by
> deselecting the box by the file name. Track names in this case correspond to
> the AMS log for event 371 a,b,c,and so on to t.
>
> We now have a well documented photo through a telescope in Freeland, MD
> thanks to Mike Hankey which can be viewed at
> <http://www.mikesastrophotos.com/> who happened to be taking a timed
> exposure of known objects. The derived Az and El for the track of the
> fireball from this location is AZ 73°, AL 63½°, and had a bearing toward the
> east-northeast horizon courtesy of Kelly Beatty at Sky and Telescope(TM).
> We also await the specifics from a security camera in York, Pa in order to
> generate another precise azimuth.
>
> Some reports still do not fit the over all data and frankly there are
> information snipets a float which give credence for up to 4 different
> trajectories/ground tracks. One which is emerging as the new leader is one
> which carried the fireball towards York, PA but we still can't make a
> statement if the it passed East, West or Over York. That is to say that it
> is looking less likely that there was a direct East to West trajectory
> parallel to the PA/MD State Line and ending over Maryland as I previously
> estimated.
>
> Someone will announce when they have been uploaded to a website or if you
> need it tonight email me off list.
>
> Again this is a collection of reports that have been graphically rendered to
> make them easier to evaluate. They were released to give a consolidated
> overlay on a map. I placed a straight edge along the margins and looked for
> possible tracks where reports agreed--That is where two adjacent witness
> locations agreed that the fireball passed between them.
>
> A final note on understanding elevations. Generally the closer you are to a
> fireball's path the higher in the sky it will be. Those reports with low
> elevations tend to be at a much greater distance.
>
> Regards,
> Elton
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--
.........................................................
Michael Gilmer (Louisiana, USA)
Member of the Meteoritical Society.
Member of the Bayou Region Stargazers Network.
Websites - http://www.galactic-stone.com and http://www.glassthrower.com
..........................................................
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