LB Obs 2020 Feb 19 am

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Wed, 19 Feb 2020 07:50:54 +0100
Two days and nights with clouds and rain, but the sky cleared a bit this
morning.
Still patches of clouds, but also nice clearings in between.
Could image a few satellites. With these weather conditions you have to grab
every opportunity to do some imaging.

Several satellites have higher residuals due to older TLE's; see below.

40978 15 058Q   4172 G 20200219041250521 17 25 2151196+453795 37 S
40978 15 058Q   4172 G 20200219041256490 17 25 2142763+435412 37 S
40978 15 058Q   4172 G 20200219041303504 17 25 2133688+415368 37 S
20691 90 050C   4172 G 20200219043203480 17 25 2155486+590807 37 S
20691 90 050C   4172 G 20200219043205518 17 25 2159091+581602 37 S
20691 90 050C   4172 G 20200219043210492 17 25 2204265+565980 37 S
20691 90 050C   4172 G 20200219043215465 17 25 2208921+554321 37 S
20692 90 050D   4172 G 20200219043534478 17 25 2122752+720460 37 S
20692 90 050D   4172 G 20200219043540493 17 25 2141113+693326 37 S
20692 90 050D   4172 G 20200219043543481 17 25 2147925+681931 37 S
45051 20 006H   4172 G 20200219051408817 17 25 1831803+464759 37 S
45051 20 006H   4172 G 20200219051413794 17 25 1845952+441113 37 S
37162 10 046A   4172 G 20200219051932794 17 25 2028196+675030 37 S
37162 10 046A   4172 G 20200219051937814 17 25 2021749+691651 37 S
37162 10 046A   4172 G 20200219051947769 17 25 2005269+720645 37 S
37162 10 046A   4172 G 20200219051949808 17 25 2000969+724332 37 S
22488 93 008B   4172 G 20200219052438807 17 25 2059658+721746 37 S
22488 93 008B   4172 G 20200219052447778 17 25 2031818+702611 37 S
22488 93 008B   4172 G 20200219052456771 17 25 2007457+681658 37 S
17139 86 092B   4172 G 20200219052642783 17 25 2011751+720892 37 S
44908 19 096D   4172 G 20200219053052780 17 25 2106760+724624 37 S
44908 19 096D   4172 G 20200219053112777 17 25 2027590+695139 37 S
44908 19 096D   4172 G 20200219053122779 17 25 2011711+680936 37 S
31701 07 027A   4172 G 20200219055453782 17 25 1907926+482034 37 S
31701 07 027A   4172 G 20200219055502786 17 25 1911847+454220 37 S
31708 07 027C   4172 G 20200219055502786 17 25 1911488+474049 37 S
31708 07 027C   4172 G 20200219055512787 17 25 1915644+444550 37 S
44953 20 001AR  4172 G 20200219060518794 17 25 1819679+253765 37 S
44953 20 001AR  4172 G 20200219060524775 17 25 1843892+255577 37 S
28537 05 004A   4172 G 20200219060535772 17 25 1817772+254701 37 S
28537 05 004A   4172 G 20200219060542779 17 25 1827168+271189 37 S
28537 05 004A   4172 G 20200219060552779 17 25 1841019+290882 37 S
28541 05 004C   4172 G 20200219060542779 17 25 1820339+253710 37 S
28541 05 004C   4172 G 20200219060552779 17 25 1833822+273765 37 S
28541 05 004C   4172 G 20200219060559794 17 25 1843594+285778 37 S

Obs format: http://www.satobs.org/position/IODformat.html
Differences between observed track and predicted track
from the latest classfd.tle file before the session start.
Norad  Cospar        Cross-track      delta T     TLE age   range
20691 90 050C   | -0.19260 deg   -7.819 sec  26.5 day, 861.7 km
20692 90 050D   | -0.11027 deg   -3.039 sec  21.5 day, 718.0 km
37162 10 046A   |  0.07688 deg    2.053 sec  13.0 day, 1327.3 km
The residuals of the other classified satellites are low.
2020 total obs:  1340 + 35 = 1375
***************************************************************************************
Setup: WATEC 910HX/RC, 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 Wed Feb 19 2020 - 00:52:05 UTC

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