Obs ML (4353), 19-20 May 2007: IGS 4A/R2, Lacrosse 5

From: Marco Langbroek (marco.langbroek@wanadoo.nl)
Date: Sun May 20 2007 - 10:29:43 EDT

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    Obs SatTrackCam Leiden (Cospar 4353):
    
    30586 07 005A   4353 G 20070520001450800 17 75 1905098+122170 56 S+020 10
    30586 07 005A   4353 G 20070520001501500 17 75 1911408+173680 56 S+020 10
    30586 07 005A   4353 G 20070520001550800 17 75 2009283+474420 56 S+020 10
    30586 07 005A   4353 G 20070520001601500 17 75 2034362+543170 56 S+020 10
    28646 05 016A   4353 G 20070520005325800 17 75 1625002+173440 56  +030 10
    28646 05 016A   4353 G 20070520005336500 17 75 1641523+201790 56  +035 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
    -------------------------------------------------------------------------
    
    
    Another nice clear night.
    
    05-016A was initially seen at +2 low in the west-southwest, but then started to 
    fade, being invisible within a minute of the second position listed above.
    
    07-005A nice and bright again. I now realize the source of my confusion about 
    this: because of the "A" designation, parallel to IGS 1A, I had mistakenly 
    thought it to be an optical while of course it is a radar.
    
    I could not cover the first part of the night as I returned only by 2 am from 
    dinner with friends (any unusual residues are due to the good Port wine I was 
    served :-p ). Had a chat about my observing activities with my neighbour (who 
    was returning from the pub at 2:15 am), and pointed out some constellations to 
    her with the laserpointer. Saw a satellite flash near Polaris while doing that.
    
    - 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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