SATOBS ML (4353), 9 Mar 2014: USA 245

From: Marco Langbroek <marco.langbroek_at_online.nl>
Date: Sun, 09 Mar 2014 22:53:01 +0100
Obs SatTrackCam Leiden (Cospar 4353):

39230 13 043A   4353 G 20140309200002250 17 75 1252398+513000 56
39230 13 043A   4353 G 20140309200012300 17 75 1307341+538550 56
39230 13 043A   4353 G 20140309200022250 17 75 1323487+561750 56
39230 13 043A   4353 G 20140309200032300 17 75 1342082+583300 56

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Canon EOS 60D + EF 50/2.5 Macro @ 2.8, 800 ISO + ASTRORECORD astrometric software.
What these numbers mean: http://www.satobs.org/position/IODformat.html
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Not everything went according to plan this evening.

It was very clear, with a good seeing. Early in the evening I set up my C6 
telescope and did some imaging of the moon and Jupiter, where a shadow transit 
of one of its moons was occurring while the red spot was visible.

I lost track of time however in doing so. Suddenly I realised a pass of USA 186 
(05-042A) was about to happen, so I took the camera off from the telescope, 
rushed in to attach the 50mm lens and grab a tripod....too late, when I was back 
outside again and had aimed the camera, USA 186 had already passed by a few 
minutes...

I was in time to capture USA 245 (13-043A) however, but this almost went wrong 
as well. As I was aiming the camera on the tail of the Big Dipper, I suddenly 
saw a bright object pass along the expected trail, but 2 minutes too early! Was 
this USA 245?

I managed to nab the bright object in one quick shot. I decided to wait and snap 
more pictures around the expected time of the USA 245 pass, 2 minutes later. 
That was a good decision. Because yes, there she was on my imagery, rather faint 
but...: USA 245! She was on-time but 0.1 deg off-track relative to Cees' elset 
14067.89901620

The imposter of 2 minutes earlier turned out to be SPOT 4...

- Marco


-----
Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
e-mail: sattrackcam_at_langbroek.org

Cospar 4353 (Leiden):     52.15412 N, 4.49081 E (WGS84), +0 m ASL
Cospar 4354 (De Wilck):   52.11685 N, 4.56016 E (WGS84), -2 m ASL
Cospar 4355 (Cronesteyn): 52.13878 N, 4.49937 E (WGS84), -2 m ASL
Station (b)log: http://sattrackcam.blogspot.com
Twitter: @Marco_Langbroek
-----
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Received on Sun Mar 09 2014 - 16:53:20 UTC

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