Re: NROL-55 sighting (maneuvering)

From: Björn Gimle via Seesat-l <seesat-l_at_satobs.org>
Date: Sun, 11 Oct 2015 11:23:44 +0200
You can send the image to nova.astrometry.net/ to solve coordinates and
identify objects. Use of Advanced Settings can speed up the results
considerably - choose a reasonable Scale. Parity can further  double the
speed.
Den 10 okt 2015 23:17 skrev "Jon . via Seesat-l" <seesat-l_at_satobs.org>:

> Hi All;
>
>
> A friend mailed me some hours ago with a link to a photo what he defined as
> a "more than a flare":
>
> https://www.flickr.com/photos/jeffdai/21877557609/
>
> The data for the image is:
>
> Coordinates: 29.759189, 91.476115; 4320m a.s.l.
>
> Date/time: 8/10/2015 at 14:17 UTC.
>
>
> I am not able to identify visually the sky zone cause there are too many
> stars.
>
> Introducing the coordinates and time into tracking software I'ts easy to
> reach the conclusion that Ted's preliminar orbit estimations and
> after-launch calculations passed some minutes earlyer than 14:17 UTC pretty
> high in the sky, with about 47º of max. elevation.
> So, time is not 100% correct, and its highly likely that this comes from
> NROL-55 launch.
>
> My guess is that the image is the Centaur making the first of two final
> maneuvers after releasing the NOSS pair to reach the final Centaur and
> secondary payload's orbit. Hoewer, I am not 100% sure of it as I've did not
> dedicate it too much time to analize the data.
>
> This image is taken roughly 80 minutes after launch.
>
>
> Thanks to Dani Caxete who advised me.
>
>
> Jon.
>
>
> --
> Jon, COSPAR 6242, 42.9453, -2.82839, 623m, Bitoriano, Basque Country.
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Received on Sun Oct 11 2015 - 04:25:05 UTC

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