LB Obs 2018 Feb 01 am

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 1 Feb 2018 07:34:40 +0100
The cleared during the night. Still some thin clouds, lit by the full moon.
Later more thicker clouds. At 05 UT the sky got overcast. After 45 min
a brief clearing in which 1 sat was imaged. Then more clouds ending the
session.

21949 92 023A   4172 G 20180201034919668 R,  P ~ 1 sec.

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

January had a lot of bad weather. Two periods with good weather and clear
nights. In 15 sessions, 7 am and 8 pm, 711 observations were made of
131 different satellites. Total obs since december 2013 is now 50638.

35937 09 052A   4172 G 20180201033239694 17 25 1816591+544005 37 S
35937 09 052A   4172 G 20180201033249691 17 25 1823358+531325 37 S
35937 09 052A   4172 G 20180201033259687 17 25 1829513+514889 37 S
37391 11 014B   4172 G 20180201033511687 17 25 1811567+531143 37 S
37391 11 014B   4172 G 20180201033519691 17 25 1822044+523410 37 S
37391 11 014B   4172 G 20180201033529687 17 25 1834346+514822 37 S
37386 11 014A   4172 G 20180201033519691 17 25 1813742+524827 37 S
37386 11 014A   4172 G 20180201033529687 17 25 1826574+520391 37 S
37386 11 014A   4172 G 20180201033538698 17 25 1837256+512144 37 S
39462 13 072A   4172 G 20180201034422653 17 25 1549415+391675 37 S
39462 13 072A   4172 G 20180201034429661 17 25 1543230+410489 37 S
39462 13 072A   4172 G 20180201034436680 17 25 1536616+425449 37 S
21949 92 023A   4172 G 20180201034919668 17 25 1846166+373903 37 R
21949 92 023A   4172 G 20180201034929674 17 25 1835098+353341 37 R
17291 87 001B   4172 G 20180201035259686 17 25 1822198+514717 37 S
17291 87 001B   4172 G 20180201035309682 17 25 1808457+492652 37 S
17291 87 001B   4172 G 20180201035317688 17 25 1758398+472772 37 S
17241 86 101A   4172 G 20180201035619690 17 25 1749280+493356 37 F
17241 86 101A   4172 G 20180201035629687 17 25 1806519+511559 37 S
17241 86 101A   4172 G 20180201035639683 17 25 1824203+524305 37 S
28054 03 048A   4172 G 20180201040209694 17 25 1946215+672266 37 S
28054 03 048A   4172 G 20180201040219691 17 25 1914346+674292 37 S
28095 03 054A   4172 G 20180201041919679 17 25 2011787+693642 37 S
28095 03 054A   4172 G 20180201041929685 17 25 1958953+672216 37 S
28095 03 054A   4172 G 20180201041939683 17 25 1948591+650558 37 S
38758 12 048A   4172 G 20180201042250279 17 25 1805705+640626 37 S
38758 12 048A   4172 G 20180201042258282 17 25 1804448+614359 37 S
38758 12 048A   4172 G 20180201042308290 17 25 1803074+584780 37 S
38773 12 048P   4172 G 20180201042248287 17 25 1802524+625036 37 S
38773 12 048P   4172 G 20180201042258282 17 25 1801276+595179 37 S
38773 12 048P   4172 G 20180201042307294 17 25 1800400+571385 37 S
38109 12 014A   4172 G 20180201044903395 17 25 1645362+335714 37 S
38109 12 014A   4172 G 20180201044911409 17 25 1633464+332647 37 S
38109 12 014A   4172 G 20180201044921406 17 25 1618429+324146 37 S
23657 95 046A   4172 G 20180201045406428 17 25 1730671+444287 37 S
23657 95 046A   4172 G 20180201045416387 17 25 1717077+393159 37 S
28538 05 004B   4172 G 20180201045731421 17 25 1724901+430077 37 S
28538 05 004B   4172 G 20180201045741425 17 25 1727573+395715 37 F
23908 96 029C   4172 G 20180201054419528 17 25 2004903+535212 37 S
23908 96 029C   4172 G 20180201054427537 17 25 2019641+530983 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
28054 03 048A   | -0.03908 deg   -0.903 sec   6.0 day, 1155.6 km
38758 12 048A   |  0.01436 deg    1.844 sec   6.0 day, 1343.4 km
38773 12 048P   |  0.02561 deg    5.163 sec  12.0 day, 1342.6 km
38109 12 014A   |  0.10090 deg    1.475 sec  11.9 day, 1297.6 km

The residuals of the other classified satellites are low.
2018 total obs: 713 + 40 = 753
************************************************************
***************************
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 Thu Feb 01 2018 - 00:35:37 UTC

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