(meteorobs) meteor app

Stuart McDaniel actionshooting at carolina.rr.com
Tue Apr 23 08:13:17 EDT 2013


I gotcha.

Stuart McDaniel
.....(mobile)......



On Apr 23, 2013, at 1:52, Jodie Reynolds <spacerocks at spaceballoon.org> wrote:

> Hello Stuart,
> 
> You don't.  You sit down and write it.  Hence the
> "spaceappsCHALLENGE".
> 
> "We would love to find developers who would like to make this fun,
> easy, citizen science astro app happen!"
> 
> It's all hat and no cattle.  :-)
> 
> --- Jodie
> 
> 
> Monday, April 22, 2013, 7:31:40 PM, you wrote:
> 
>> Where do you get this app?
> 
> 
>> *****************************
>> Stuart McDaniel
>> Lawndale, NC
>> Secr.,
>> Cleve. Co. Astronomical Society
> 
>> IMCA #9052
>> Sirius Meteorites
> 
>> Node35 - Sentinel All Sky
> 
>> http://spacerocks.weebly.com
> 
>> *********************************
> 
>> From: Terry Johnson
>> Sent: Sunday, April 21, 2013 11:55 PM
>> To: 'Meteor science and meteor observing'
>> Subject: (meteorobs) meteor app
> 
> 
>> Here’s something new!
> 
> 
> 
>> http://spaceappschallenge.org/project/falling-star-finder/
> 
> 
> 
> 
> 
>>> 
>> Quote from the page:
> 
> 
> 
>> “A mobile phone, sitting on the ground, will take many back-to-back 
>> long-exposure images of the sky to capture meteor trails and passing 
>> satellites. After the observing session, the user can upload all their
>> photos to a server for other people to find meteors in, or the photographer
>> can locally find their own meteors before upload.
> 
>> Anyone can download un-traced photos into the app to join in the process!
> 
>> When tracing, you look for an image with a white streak, then trace the
>> meteor trail onscreen, and align the photo with an overlaid star field. That
>> creates the precise celestial coordinate dimensions of the sky streak. The
>> photo will have the vector streak coordinates embedded right in the EXIF
>> tags with the location and time, and will be uploaded to the server.
> 
>> The server will match photos from other observers within the same viewing
>> area, and use the Pythagorean theorem to find the latitude, longitude and
>> altitude of the meteor or satellite trail. The orbit can be calculated then,
>> and the resulting orbit plot and ephemeris data appear on the website and
>> alerts the users who took the photos and traced the trails.”
> 
>>> 
> 
> 
>> But how well could this work?  What’s the field of view of a typical 
>> smartphone?  Do reference stars even show?  The whole crowdsourcing aspect
>> is really exciting, though.  Could make the job of calculating ZHR, radiant
>> size, average mag., etc., automatic.
> 
> 
> 
>> --Terry, who only posts something every year or so.  :o)
> 
> 
> 
> 
> 
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> 
> 
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> 
> 
> 
> -- 
> Best regards,
> Jodie                            mailto:spacerocks at spaceballoon.org
> 


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