Optical 17 Jan 2011 Part 1

From: Greg Roberts (grr@telkomsa.net)
Date: Tue Jan 18 2011 - 13:22:01 UTC

  • Next message: Tony Beresford: "Satob Jan 17, 2011 at 8597"

    Observations 17 JAN 2011
    --------------------------------------
    
    Cosatrak 1 (Computerised satellite Tracking System).
    Camera mount now carries two systems that can be operated
    together as two totally different sytems and computers used.
    Generally the DSI Pro II camera will be used for high altitude
    slow moving objects. Tests seem to indicate that its sensitivity
    is comparable to the MINTRON ( possibly better) but as its not
    possible (?) to time stamp to better than 1 second accuracy the
    time resolution is not good enough for LEO objects.
    
    (1) 145mm focal length f/2.5 lens fitted to MINTRON low light
    level CCD surveillance camera (0.005 lux typical in non integration
    mode) and 0.00005 lux in STARLIGHT mode with 128 frame integration.
    Image integrated for 2.56 seconds but exposure depends on sky background
    brightness. Field of view 2.5 x 1.9 degrees and showing about mag +12
    stars in "real time".
    
    Site 0433 : Longitude 18.51294 deg East, Latitude -33.94058 deg,
    Elevation 10 metres-situated in Pinelands (Cape Town),South Africa
    
    FOR CLASSFD.TLE:
    -----------------------
    NOSS 8(E) variable
    18009 87 043E   0433 F 20110117185623100 56 15 2151323-543900 39  +065 05
    18009 87 043E   0433 F 20110117185629100 56 15 2157462-543955 39  +065 05
    USA 198R  variable
    32379 07 060B   0433 F 20110117190157800 56 15 2235508-541847 39  +070 05
    32379 07 060B   0433 F 20110117190439300 56 15 2302402-530547 39  +050 05
    32379 07 060B   0433 F 20110117190832500 56 15 2345480-494730 39  +050 05
    STEX only briefly seen, mostly invisible
    25489 98 055A   0433 F 20110117191742500 56 15 1023220-302958 39  +085 05
    25489 98 055A   0433 F 20110117191751200 56 15 1018143-285701 39  +085 05
    NOSS 0(D) variable
    05681 71 110D   0433 F 20110117192224300 56 15 1217263-684656 39  +050 05
    05681 71 110D   0433 F 20110117192221900 56 15 1221588-690003 39  +075 05
    05681 71 110D   0433 F 20110117192228300 56 15 1210501-682737 39  +045 05
    MILSTAR 3 CnR variable
    25725 99 023B   0433 F 20110117193820900 56 15 0116225-021953 39  +040 05
    25725 99 023B   0433 F 20110117193910800 56 15 0123217-030304 39  +040 05
    25725 99 023B   0433 F 20110117194037800 56 15 0136074-042229 39  +040 05
    SBSS1 variable low elevation pass
    37168 10 048A   0433 F 20110117200224300 56 15 2350314-082753 39  +075 05
    37168 10 048A   0433 F 20110117200246200 56 15 2338029-125217 39  +075 05
    37168 10 048A   0433 F 20110117200317700 56 15 2319299-184554 39  +075 05
    NOSS 4(E) variable
    13844 83 008E   0433 F 20110117200859100 56 15 0619062+115849 39  +075 05
    13844 83 008E   0433 F 20110117200933900 56 15 0631005+073003 39  +070 05
    13844 83 008E   0433 F 20110117201021000 56 15 0648130+010342 39  +070 05
    13844 83 008E   0433 F 20110117201119400 56 15 0711596-072032 39  +065 05
    MSX steady then into shadow
    23851 96 024A   0433 F 20110117201439800 56 15 1202301-370703 39  +040 05
    23851 96 024A   0433 F 20110117201611600 56 15 1108328-271520 39  +035 05
    23851 96 024A   0433 F 20110117201637300 56 15 1054105-233932 39  +070 05
    NOSS 0(A) steady
    05678 71 110A   0433 F 20110117202618000 56 15 1001442-671408 39  +075 05
    05678 71 110A   0433 F 20110117202635400 56 15 0946187-624743 39  +075 05
    05678 71 110A   0433 F 20110117202704400 56 15 0928585-544302 39  +070 05
    05678 71 110A   0433 F 20110117202738300 56 15 0916207-443157 39  +070 05
    MILSTAR 3 steady
    25724 99 023A   0433 F 20110117203059200 56 15 0009283-100505 39  +045 05
    25724 99 023A   0433 F 20110117203228200 56 15 0029083-105339 39  +045 05
    25724 99 023A   0433 F 20110117203328400 56 15 0042505-112143 39  +040 05
    90020  usual variability pattern
    90020 04 539A   0433 F 20110117203927600 56 15 0523569-164308 39  +065 05
    90020 04 539A   0433 F 20110117204219800 56 15 0537006-110436 39  +065 05
    90020 04 539A   0433 F 20110117204423500 56 15 0544319-073855 39  +065 05
    USA 186  bright flare just before shadow entry
    28888 05 042A   0433 F 20110117204756400 56 15 1538133-690837 39  +055 05
    28888 05 042A   0433 F 20110117204856300 56 15 1450205-745505 39  +050 05
    28888 05 042A   0433 F 20110117204956200 56 15 1215234-802611 39  +045 05
    28888 05 042A   0433 F 20110117205058600 56 15 0734398-734114 39  +035 05
    28888 05 042A   0433 F 20110117205200100 56 15 0603412-495817 39  +000 05
    
    NOTES:
    --------
    (1) Despite a bright moon decided to track mostly leo sats that needed
        observing.
    
    (2) Will report rest tomorrow - I find manual measuring very boring...
        To come:
    
        ATEX #25615
        90070 early
        USA 179 (#28384) late
        DMSP-F2 #10033 about 30 seconds early
        90083 approximately 45 seconds early
        NOSS 2-3A #23893 about 2 seconds late
        MSX #23851 second pass
    
    (3) USA 186 a bit off in time and track
    
    (4) Will also report strays seen - fortunately not too many
    
    Cheers
    Greg
    
    
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