Optical 09 Feb 2010

From: Greg Roberts (grr@telkomsa.net)
Date: Wed Feb 10 2010 - 12:58:22 UTC

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    Observations 09 Feb 2010
    ----------------------------
    
    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.
    
    Meade DSI Pro II Monochrome CCD camera without filters.
    using integration times of 5 sec min to 25 seconds maximum
    depending on brightness of sky in particular area.No image
    processing done, but some done automatically in the auto reduction
    software.
    
    Used with 4 inch SKYWATCHER refractor- model 1025 - fitted with home
    made focal reducer to give an f/2.56 system. Image scale is 6.56 arc
    sec/pixel and field of view 84.8 x 63.2 arc minutes. Shows 15th
    magnitude stars in real time with reasonably good conditions.
    
    Exposure time to nearest second inserted into image FITS header
    from PC clock which is automatically checked every minute against
    GPS signal.
    
    Site 0433 : Longitude 18.51294 deg East, Latitude -33.94058 deg,
    Elevation 10 metres-situated in Pinelands (Cape Town),South Africa
    
    FOR CLASSFD.TLE:
    =====================
    10941 78 058A   0433 P 20100209205309500 16 15 0451072+075834 28
    10941 78 058A   0433 P 20100209205410500 16 15 0452039+075908 28
    10941 78 058A   0433 P 20100209205459500 16 15 0452500+075935 28  +110 00
    23223 94 054A   0433 P 20100209204815500 16 15 0400277+053012 28  +107 01
    23223 94 054A   0433 P 20100209204936500 16 15 0401471+053234 28  +108 01
    23223 94 054A   0433 P 20100209205042500 16 15 0402526+053432 28  +108 01
    25336 98 029A   0433 P 20100209190612500 16 15 0525472+140348 28
    25336 98 029A   0433 P 20100209190731000 16 15 0527040+140446 28  +090 00
    25336 98 029A   0433 P 20100209190808000 16 15 0527411+140513 28  +089 00
    25336 98 029A   0433 P 20100209191141000 16 15 0531148+140743 28
    25336 98 029A   0433 P 20100209191329000 16 15 0533047+140857 38
    25336 98 029A   0433 P 20100209191620000 16 15 0535537+141049 28
    25336 98 029A   0433 P 20100209210427500 16 15 0724248+142140 28
    25336 98 029A   0433 P 20100209210611500 16 15 0726099+142052 28
    25336 98 029A   0433 P 20100209210709500 16 15 0727079+142026 38
    25967 99 063A   0433 P 20100209194252000 16 15 1017150+075920 18
    25967 99 063A   0433 P 20100209194539000 16 15 1020027+075846 28
    25967 99 063A   0433 P 20100209194604000 16 15 1020276+075842 18
    29249 06 027A   0433 P 20100209183304500 16 15 0339406-104517 38  +073 00
    29249 06 027A   0433 P 20100209183403500 16 15 0345217-142854 28
    29249 06 027A   0433 P 20100209183503500 16 15 0352060-184609 38  +069 00
    29249 06 027A   0433 P 20100209183604500 16 15 0400020-233439 38
    29249 06 027A   0433 P 20100209183708500 16 15 0410189-292025 28
    29249 06 027A   0433 P 20100209183806500 16 15 0421587-351022 28  +066 00
    33491 09 001B   0433 P 20100209205618500 16 15 0448093+081045 28
    33491 09 001B   0433 P 20100209205829000 16 15 0450158+081043 28
    33491 09 001B   0433 P 20100209210143500 16 15 0453232+081035 28
    90066 05 667A   0433 P 20100209203351000 16 15 0600285+085015 28
    90066 05 667A   0433 P 20100209203718500 16 15 0603573+085500 28
    96006 96 506A   0433 P 20100209204001500 16 15 0653136+095007 38
    96006 96 506A   0433 P 20100209204246500 16 15 0655596+095410 28
    96006 96 506A   0433 P 20100209204421500 16 15 0657366+095631 28
    96027 96 527A   0433 P 20100209200543500 16 15 1033586+114255 28
    96027 96 527A   0433 P 20100209200702500 16 15 1035165+114016 38
    96027 96 527A   0433 P 20100209200755500 16 15 1036095+113826 28
    96027 96 527A   0433 P 20100209200841500 16 15 1036556+113651 28
    96144 96 644A   0433 P 20100209202331000 16 15 0856014+090727 38  +114 01
    96144 96 644A   0433 P 20100209202548000 16 15 0858163+090028 28  +121 01
    96144 96 644A   0433 P 20100209202925000 16 15 0901488+084917 28  +130 05
    96144 96 644A   0433 P 20100209203021000 16 15 0902432+084623 38
    
    Video observations- measured manually:
    ========================================
    24680 96 072A   0433 P 20100209193207600 56 15 1416445-503337 39  +065 05
    24680 96 072A   0433 P 20100209193230400 56 15 1356421-495125 39  +060 05
    24680 96 072A   0433 P 20100209193242700 56 15 1345021-491719 39  +060 05
    28888 05 042A   0433 P 20100209195700500 56 15 1253165-460611 39  +050 05
    28888 05 042A   0433 P 20100209195728800 56 15 1231273-432731 39  +050 05
    28888 05 042A   0433 P 20100209195828600 56 15 1146513-354101 39  +045 05
    
    Strays seen:
    ==================
    JCSAT 2 PKM  range 4215 km, variable
    20406 90 001F   0433 P 20100209191629900 56 15 0534384+133454 39  +070 05
    
    Notes:
    ======
    (1) One of those torture nights - battling with clouds.Eventually
        abandoned.
    
    (2) MENTOR-2 (#25336) which has been "lost" since last observed by Peter
        on 1st January 2010 was found after a brief search a bit more west
        than predicted. It would appear it changed its westward drift rate.
        I suspect it has now stopped drifting but further observations
        needed.
    
    (3) I am still using the old identifications. Teds recent research
        showed that several satellites were incorrectly identified and this
        has now been confirmed with the recent issue of COGO Report #12.
        In this particular case object 96144 is now called DSP-F3, whilst
        the previously known DSP-F3 is now Rhyolite 2. A similar misident
        occurred with DSP-F2 which is now 96042 and the old DSP-F2 is now
        Rhyolite 1. Until Mike has some spare time to make the changes
        necessary the old name identifications will be used otherwise there
        could be big confusion in the observations databases.
    
    (4) Probably last observations of USA 129 this season as end of season.
        USA 186 probably has another week or so to go before it too ends
        its summer observability in the southern hemisphere.
    
    Cheers
    Greg 
    
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