LB Obs 2018 Jan 30 am

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Tue, 30 Jan 2018 05:08:55 +0100
The sky was still clear at 02:30 UT and the camera was set up.
Could imge a few satellites before the sky got overcast  at 03:30 UT.

28538 05 004B   4172 G 20180130024908179 F, P ~ 25 sec.
37386 11 014A   4172 G 20180130031348215 S, very bright

39462 was more than 3 sec late on 19 day old TLE.

26906 01 040B   4172 G 20180130024348221 17 25 1959997+573532 37 S
26906 01 040B   4172 G 20180130024358217 17 25 1957313+560482 37 S
26906 01 040B   4172 G 20180130024408215 17 25 1955071+543726 37 F
28097 03 054C   4172 G 20180130024608219 17 25 2023702+585359 37 S
28097 03 054C   4172 G 20180130024618223 17 25 2016507+572176 37 S
28097 03 054C   4172 G 20180130024628219 17 25 2010148+555077 37 S
28097 03 054C   4172 G 20180130024638220 17 25 2004606+542134 37 S
28538 05 004B   4172 G 20180130024908179 17 25 2032162+593081 37 F
28538 05 004B   4172 G 20180130024918185 17 25 2021635+575638 37 S
28538 05 004B   4172 G 20180130024928180 17 25 2012335+562125 37 S
28538 05 004B   4172 G 20180130024938178 17 25 2004020+544506 37 F
37386 11 014A   4172 G 20180130031343194 17 25 1705622+330751 37 S
37386 11 014A   4172 G 20180130031348215 17 25 1710495+331998 37 S
37386 11 014A   4172 G 20180130031358218 17 25 1720450+334528 37 S
37386 11 014A   4172 G 20180130031408215 17 25 1730129+340451 37 S
37386 11 014A   4172 G 20180130031415224 17 25 1736806+341510 37 S
37391 11 014B   4172 G 20180130031338215 17 25 1706632+332592 37 S
37391 11 014B   4172 G 20180130031348215 17 25 1716593+335108 37 S
37391 11 014B   4172 G 20180130031358218 17 25 1726420+341151 37 S
37391 11 014B   4172 G 20180130031408215 17 25 1735945+342784 37 S
39462 13 072A   4172 G 20180130032550551 17 25 1601074+263849 37 S
39462 13 072A   4172 G 20180130032600559 17 25 1556147+283980 37 S
39462 13 072A   4172 G 20180130032608563 17 25 1551859+302026 37 S

Obs format: http://www.satobs.org/position/IODformat.html
Residuals wrt the latest classfd.tle file before the session start.
Norad Cospar         Cross-track     delta T      TLE age  range
39462 13 072A   | -0.07759 deg   -3.149 sec  19.3 day, 1470.6 km

The residuals of the other classified satellites are low.
2018 total obs: 688 + 23 = 711
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Setup: WATEC 120N, 50 mm F1:1.8, NTP, Celestron Nexstar
Observations made and reduced with Sattools
Cospar 4172 ALMERE 52.3713 N 5.2580 E –3 ASL
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Received on Mon Jan 29 2018 - 22:09:46 UTC

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