LB Obs 2017 Jun 26-27 night

From: Leo Barhorst via Seesat-l <seesat-l_at_satobs.org>
Date: Tue, 27 Jun 2017 04:30:52 +0200
After six days with clouds and some rain it cleared in the afternoon.
Nice clear sky with excellent conditions. Later in the night some scattered
clouds. At dawm more clouds came in. Prediction for today is rain.

Could image the new Iridium satellites, all still close together.
They were faint, mag 6-7, On the 0.9 day old TLE's they were 5-6
seconds early and this made it difficult to measure them with
certain IDs. Will measure them again with TLE's closer to the time
of observing. In the second pass they were to faint to be imaged.

41916 17 002D was R, AaA, P ~ 4 sec.
28538 05 004B was F, P ~ 20 sec.

Several satellites have higher residuals, some due to old TLE's; see below.

33321 08 041B   4172 E 20170626211150802 17 25 1415925+170228 37 S
33321 08 041B   4172 E 20170626211157811 17 25 1407861+200667 37 S
12988 81 117B   4172 E 20170626211212529 17 25 1433886+195086 37 S
37228 10 062G   4172 E 20170626213507807 17 25 1346141+024910 37 S
37228 10 062G   4172 E 20170626213517802 17 25 1346775+052991 37 S
41187 15 081J   4172 E 20170626213829798 17 25 1334472+035323 37 S
41187 15 081J   4172 E 20170626213837810 17 25 1345280+040034 37 S
42073 17 015B   4172 E 20170626213942335 17 25 1342774+030118 37 S
42073 17 015B   4172 E 20170626213947813 17 25 1336321+045661 37 S
42073 17 015B   4172 E 20170626213953827 17 25 1328981+070528 37 S
42072 17 015A   4172 E 20170626214137812 17 25 1359228+113259 37 S
42072 17 015A   4172 E 20170626214147815 17 25 1344508+160067 37 S
33331 08 042A   4172 E 20170626214407818 17 25 1537946+072065 37 S
33331 08 042A   4172 E 20170626214415825 17 25 1532573+100791 37 S
37954 11 075A   4172 E 20170626214547816 17 25 1539507+064754 37 S
37954 11 075A   4172 E 20170626214555829 17 25 1532198+102671 37 S
03230 68 040B   4172 E 20170626215557592 17 25 1402147+191397 37 S
04327 70 009A   4172 E 20170626215850200 17 25 1925079+131510 37 S
04327 70 009A   4172 E 20170626215859208 17 25 1926427+152150 37 S
09415 76 091A   4172 E 20170626220104193 17 25 1926352+160927 37 S
09415 76 091A   4172 E 20170626220110206 17 25 1920877+142770 37 S
09415 76 091A   4172 E 20170626220120202 17 25 1912004+114211 37 F
23657 95 046A   4172 E 20170626221120178 17 25 1943422+165610 37 S
23657 95 046A   4172 E 20170626221130174 17 25 1955931+204811 37 S
28480 04 046B   4172 E 20170626221250178 17 25 1956847+170180 37 S
28480 04 046B   4172 E 20170626221300175 17 25 2000069+194968 37 S
40539 15 015B   4172 E 20170626221350181 17 25 1949665+153930 37 S
40539 15 015B   4172 E 20170626221400182 17 25 1957488+205849 37 S
40964 15 058A   4172 E 20170626221731182 17 25 2218256+455797 37 S
40964 15 058A   4172 E 20170626221740187 17 25 2216571+435025 37 S
40964 15 058A   4172 E 20170626221750190 17 25 2214816+413189 37 S
40964 15 058A   4172 E 20170626221800186 17 25 2213359+391822 37 S
40981 15 058R   4172 E 20170626221740187 17 25 2219315+451601 37 S
40981 15 058R   4172 E 20170626221750190 17 25 2217420+425565 37 S
40981 15 058R   4172 E 20170626221800186 17 25 2215724+403951 37 S
40981 15 058R   4172 E 20170626221809198 17 25 2214463+384115 37 S
10513 77 116B   4172 E 20170626223200210 17 25 1455542+260888 37 S
10513 77 116B   4172 E 20170626223210206 17 25 1507867+240419 37 S
10513 77 116B   4172 E 20170626223218218 17 25 1517376+222157 37 S
38109 12 014A   4172 E 20170626223710171 17 25 1515266+253972 37 S
38109 12 014A   4172 E 20170626223720177 17 25 1506962+233611 37 S
39211 13 037D   4172 E 20170626230202763 17 25 1334661+151593 37 S
39211 13 037D   4172 E 20170626230212759 17 25 1323267+174955 37 S
41916 17 002D   4172 E 20170626230502776 17 25 1334632+154630 37 R
41916 17 002D   4172 E 20170626230509786 17 25 1316477+191755 37 R
20666 90 055D   4172 E 20170626230637758 17 25 1327436+154133 37 S
20666 90 055D   4172 E 20170626230642774 17 25 1335438+145074 37 S
39462 13 072A   4172 E 20170626231542785 17 25 1346743+145263 37 S
39462 13 072A   4172 E 20170626231552783 17 25 1338696+153147 37 S
14402 83 103B   4172 E 20170626231622782 17 25 1345305+144630 37 S
14402 83 103B   4172 E 20170626231632785 17 25 1341977+171031 37 S
37813 11 050A   4172 E 20170626232732922 17 25 2228446+120341 37 S
37813 11 050A   4172 E 20170626232741933 17 25 2234369+143259 37 S
29252 06 029A   4172 E 20170626234052899 17 25 2225590+104843 37 S
29252 06 029A   4172 E 20170626234102909 17 25 2239844+124003 37 S
28870 05 036C   4172 E 20170626235233918 17 25 2215288-003026 37 S
28870 05 036C   4172 E 20170626235242919 17 25 2219020+001975 37 S
28870 05 036C   4172 E 20170626235252925 17 25 2223158+011449 37 S
28870 05 036C   4172 E 20170626235302923 17 25 2227216+020830 37 F
28870 05 036C   4172 E 20170626235309931 17 25 2230064+024515 37 S
28870 05 036C   4172 E 20170626235322925 17 25 2235170+035069 37 S
28538 05 004B   4172 E 20170626235242919 17 25 2217540+015703 37 F
28538 05 004B   4172 E 20170626235252925 17 25 2223227+030033 37 S
28538 05 004B   4172 E 20170626235302923 17 25 2229061+040234 37 F
28538 05 004B   4172 E 20170626235309931 17 25 2233220+044593 37 S
39061 13 002A   4172 E 20170626235744922 17 25 2245077+250326 37 S
39061 13 002A   4172 E 20170626235752925 17 25 2254462+284018 37 S
40964 15 058A   4172 E 20170627000922901 17 25 1937405+085006 37 S
40964 15 058A   4172 E 20170627000932908 17 25 1943273+065807 37 S
40964 15 058A   4172 E 20170627000939918 17 25 1947175+054175 37 S
40981 15 058R   4172 E 20170627000925888 17 25 1937549+093927 37 S
40981 15 058R   4172 E 20170627000932908 17 25 1941797+081898 37 S
40981 15 058R   4172 E 20170627000942907 17 25 1947433+062821 37 S
07594 74 105B   4172 E 20170627001402909 17 25 1953608+063422 37 S
07594 74 105B   4172 E 20170627001412908 17 25 1957143+090431 37 S
25759 99 029D   4172 E 20170627001522913 17 25 1959383+090565 37 S
25759 99 029D   4172 E 20170627001532909 17 25 1952488+055017 37 S
38109 12 014A   4172 E 20170627002122913 17 25 1352603+343454 37 S
38109 12 014A   4172 E 20170627002132915 17 25 1350295+324886 37 S
38109 12 014A   4172 E 20170627002142919 17 25 1348178+310747 37 S
31797 07 030A   4172 E 20170627002652928 17 25 1405318+323275 37 S
31797 07 030A   4172 E 20170627002702931 17 25 1344861+350746 37 S
00727 64 001A   4172 E 20170627002812928 17 25 1348632+360911 37 S
00727 64 001A   4172 E 20170627002819945 17 25 1356936+353602 37 S
38758 12 048A   4172 E 20170627005217545 17 25 2134261-005996 37 S
38758 12 048A   4172 E 20170627005226465 17 25 2140321+001354 37 S
38758 12 048A   4172 E 20170627005236546 17 25 2147302+013743 37 S
38773 12 048P   4172 E 20170627005216745 17 25 2136750-000483 37 S
38773 12 048P   4172 E 20170627005226725 17 25 2143655+011837 37 S
38773 12 048P   4172 E 20170627005236642 17 25 2150378+023862 37 S
42058 17 011A   4172 E 20170627010817742 17 25 1222772+481771 37 S
42058 17 011A   4172 E 20170627010826748 17 25 1218793+494320 37 S
42058 17 011A   4172 E 20170627010836751 17 25 1213838+511983 37 S
42058 17 011A   4172 E 20170627010846746 17 25 1208311+525763 37 S
42065 17 011B   4172 E 20170627010817742 17 25 1219534+491402 37 S
42065 17 011B   4172 E 20170627010826748 17 25 1215295+504058 37 S
42065 17 011B   4172 E 20170627010836751 17 25 1210042+521753 37 S
42065 17 011B   4172 E 20170627010846746 17 25 1204147+535609 37 S
00704 63 049B   4172 E 20170627011046748 17 25 1156857+522882 37 S
00704 63 049B   4172 E 20170627011056753 17 25 1209162+520378 37 S
28537 05 004A   4172 E 20170627011906714 17 25 1349035+600963 37 S
28537 05 004A   4172 E 20170627011916724 17 25 1401876+612872 37 S
28537 05 004A   4172 E 20170627011925723 17 25 1414852+623853 37 S
28541 05 004C   4172 E 20170627011916724 17 25 1352913+604968 37 S
28541 05 004C   4172 E 20170627011926720 17 25 1406347+620886 37 S
39061 13 002A   4172 E 20170627013258733 17 25 1444713+203532 37 S
39061 13 002A   4172 E 20170627013306740 17 25 1434842+221357 37 S
39061 13 002A   4172 E 20170627013316736 17 25 1422313+240916 37 S
39359 13 057B   4172 E 20170627014911694 17 25 1744559+482281 37 S
39359 13 057B   4172 E 20170627014916722 17 25 1741740+513975 37 S

Residuals wrt the latest classfd.tle file.
Norad Cospar         Cross-track     delta T      TLE age  range
28538 05 004B   |  0.05728 deg    5.896 sec  61.1 day, 2294.5 km
38758 12 048A   | -2.61208 deg -167.952 sec  43.2 day, 1816.1 km
38773 12 048P   | -2.64604 deg -170.411 sec  43.2 day, 1822.2 km
42058 17 011A   | -0.01491 deg   -1.154 sec   5.1 day, 1987.8 km
42065 17 011B   | -0.00979 deg   -1.088 sec   5.1 day, 2002.6 km

The residuals of the other classified satellites are low.
2017 total obs: 7759 + 111 + 7870
************************************************************
***************************
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
Best regards     Leo Barhorst
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Received on Mon Jun 26 2017 - 21:31:54 UTC

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