Obs ML (4353), 20-21 Apr 2007: USA 129, IGS 1B, Metop-A

From: Marco Langbroek (marco.langbroek@wanadoo.nl)
Date: Fri Apr 20 2007 - 19:44:16 EDT

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    Obs SatTrackCam Leiden (Cospar 4353):
    
    classfd:
    24680 96 072A   4353 G 20070420201121100 17 75 1206144+198530 56 S+010 10
    24680 96 072A   4353 G 20070420201131800 17 75 1207485+248210 56 S+010 10
    24680 96 072A   4353 G 20070420201211100 17 75 1218168+469690 56 S+025 10
    24680 96 072A   4353 G 20070420201221800 17 75 1223286+538330 56 S+025 10
    27699 03 009B   4353 G 20070420210551100 17 75 1548024+461960 56  +025 10
    27699 03 009B   4353 G 20070420210601800 17 75 1614324+519310 56  +025 10
    
    Metop-A:
    29499 06 044A   4353 G 20070420201211100 17 75 1233485+538270 56  -010 10
    29499 06 044A   4353 G 20070420201221800 17 75 1238382+591520 56  +020 10
    
    ISS:
    25544 98 067A   4353 P 20070420193836100 17 75 0847036+235360 56 S-025 10
    25544 98 067A   4353 P 20070420193846800 17 75 0939077+217380 56 S-025 10
    
    -------------------------------------------------------------------------
    Method: Canon Digital Ixus 400 + ASTRORECORD astrometric software.
    Camera at manual mode, "10 second" (= 10.7 second) exposure, wide field
    f2.8/7.41 mm.
    
    What these numbers mean:
    http://www.satobs.org/position/IODformat.html
    -------------------------------------------------------------------------
    
    Flares:
    
    96-072A: 20:11:00 UTC (Apr 20) mag. 0
    06-044A: 20:12:14 UTC (Apr 20) mag -1.5
    03-009B: 21:06:20 UTC (Apr 20) mag -5
    
    It was very cool to see 96-072A and 06-044A cruising close together, 06-044A 
    leading, and then flaring. The -5 flare of IGS 1B was a "wowzer!".
    
    ISS was caught in deep twilight.
    
    - Marco
    
    -----
    Dr Marco Langbroek  -  SatTrackCam Leiden, Cospar 4353
    Leiden, the Netherlands. 52.15412 N,  4.49081 E (WGS84), +0 m ASL
    
    SatTrackCam: http://home.wanadoo.nl/marco.langbroek/satcam.html
    Station (b)log: http://sattrackcam.blogspot.com
    Atom RSS: http://sattrackcam.blogspot.com/atom.xml
    e-mail: sattrackcam@wanadoo.nl
    -----
    
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