Optical 11 April 2010

From: Greg Roberts (grr@telkomsa.net)
Date: Mon Apr 12 2010 - 12:15:45 UTC

  • Next message: Ted Molczan: "Updated elements"

    Observations 11 APRIL 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:
    ====================
    20344 89 061D   0433 G 20100411190429500 16 15 1005333+202425 38
    20344 89 061D   0433 G 20100411190558500 16 15 1036134+082052 48  +070 00
    22915 93 074A   0433 G 20100411202216000 16 15 1349113+095041 28
    22915 93 074A   0433 G 20100411202627000 16 15 1353224+094540 28  +111 01
    22915 93 074A   0433 G 20100411202756000 16 15 1354513+094353 87  +111 01
    22915 93 074A   0433 G 20100411202841000 16 15 1355362+094258 37  +109 01
    23855 96 026A   0433 G 20100411190028000 16 15 0850195+133518 28  +103 00
    23855 96 026A   0433 G 20100411190128000 16 15 0851221+133410 28  +103 02
    23855 96 026A   0433 G 20100411190229000 16 15 0852271+133303 18  +103 00
    23945 96 038A   0433 G 20100411210639000 16 15 0939007-193324 48
    23945 96 038A   0433 G 20100411210802000 16 15 0958035-145248 48  +088 00
    23945 96 038A   0433 G 20100411210938000 16 15 1015378-100847 38
    23945 96 038A   0433 G 20100411211111000 16 15 1029125-061334 28  +085 00
    23945 96 038A   0433 G 20100411211236000 16 15 1039350-030512 19
    23945 96 038A   0433 G 20100411211409000 16 15 1049190-000153 28  +086 00
    23945 96 038A   0433 G 20100411211543000 16 15 1057387+023934 28
    23947 96 038C   0433 G 20100411192303000 56 15 0950107-574924 39  +105 05
    25336 98 029A   0433 G 20100411184819000 16 15 0752465+135225 38  +093 00
    25336 98 029A   0433 G 20100411184858000 16 15 0753251+135153 28  +094 00
    25336 98 029A   0433 G 20100411185012000 16 15 0754400+135051 28
    25336 98 029A   0433 G 20100411185053000 16 15 0755208+135017 28  +095 00
    26575 00 065A   0433 G 20100411203507000 56 15 0849306+060435 39  +116 05
    26575 00 065A   0433 G 20100411203825000 56 15 0852501+060454 39  +116 05
    28384 04 034A   0433 G 20100411172438500 16 15 0755232+395631 38  +108 02
    28384 04 034A   0433 G 20100411172623500 16 15 0758297+390800 38
    28384 04 034A   0433 G 20100411172754500 16 15 0801178+382355 28
    28384 04 034A   0433 G 20100411172930500 16 15 0804233+373504 38  +099 01
    28384 04 034A   0433 G 20100411173107500 16 15 0807409+364240 28
    28384 04 034A   0433 G 20100411173238500 16 15 0810554+355049 38
    28384 04 034A   0433 G 20100411173417500 16 15 0814368+345134 28
    28384 04 034A   0433 G 20100411174046500 16 15 0831562+301130 28
    28384 04 034A   0433 G 20100411180502000 56 15 1349590-325644 28
    32379 07 060B   0433 G 20100411195808500 16 15 1606531-695617 38  +075 00
    32379 07 060B   0433 G 20100411195957500 16 15 1619583-595613 58  +066 00
    32706 08 010A   0433 G 20100411200331000 16 15 0655029+101737 28
    32706 08 010A   0433 G 20100411200503000 16 15 0656271+071923 28
    32706 08 010A   0433 G 20100411200639000 16 15 0657422+034520 28  +076 00
    32706 08 010A   0433 G 20100411200808000 16 15 0658359-000917 28
    32706 08 010A   0433 G 20100411200929000 16 15 0659042-042230 38
    32706 08 010A   0433 G 20100411201104000 56 15 0658578-102439 28
    90005 99 804A   0433 G 20100411185229000 16 15 0815062+133921 28  +120 01
    90005 99 804A   0433 G 20100411185351000 16 15 0816211+133749 28
    90005 99 804A   0433 G 20100411185535000 16 15 0817558+133553 28
    90046 05 864A   0433 G 20100411183903000 56 15 0337519-081429 28
    90046 05 864A   0433 G 20100411184024000 16 15 0351410-053051 19  +088 03
    90046 05 864A   0433 G 20100411184152000 16 15 0405265-023820 38
    90070 06 829A   0433 G 20100411182106500 16 15 0857016-125913 38
    90070 06 829A   0433 G 20100411182236500 16 15 0939514-131938 28  +071 00
    90070 06 829A   0433 G 20100411182528500 16 15 1040414-124124 28
    90070 06 829A   0433 G 20100411182702500 16 15 1105357-120108 18  +079 00
    90070 06 829A   0433 G 20100411182837500 16 15 1126337-111516 28  +065 00
    90083 09 526A   0433 G 20100411180937500 16 15 0613260+033539 28
    90083 09 526A   0433 G 20100411181118500 16 15 0616419+000642 28  +094 00
    90083 09 526A   0433 G 20100411181252500 16 15 0620029-034102 38
    90083 09 526A   0433 G 20100411181430500 16 15 0623549-081851 48  +124 03
    90083 09 526A   0433 G 20100411181559500 16 15 0627544-131938 58
    90083 09 526A   0433 G 20100411181731500 16 15 0632436-193310 48
    90085 09 790A   0433 G 20100411194231500 16 15 1028124-042536 28
    90085 09 790A   0433 G 20100411194234000 56 15 1028373-042627 39  +060 05
    90085 09 790A   0433 G 20100411194453000 56 15 1053570-050128 39  +060 05
    90085 09 790A   0433 G 20100411194643000 56 15 1117329-052506 39  +065 05
    90085 09 790A   0433 G 20100411194824000 56 15 1132347-054043 39  +060 05
    
    STRAYS SEEN:
    ==============
    ATLANTIC BIRD 1 geostationary
    27508 02 040A   0433 G 20100411203507000 56 15 0848000+052507 39  +110 05
    27508 02 040A   0433 G 20100411203825000 56 15 0851199+052445 39  +110 05
    SL-12 R/B(2)  range 33400 kms
    24919 97 046D   0433 G 20100411194453000 56 15 1054481-051825 39  +100 05
    THORAD DELTA 1
    08398 74 089CA  0433 G 20100411200929000 16 15 0659499-045138 38  +082 02
    METEOSAT 7
    24932 97 049B   0433 G 20100411202717000 16 15 1356579+093757 97
    24932 97 049B   0433 G 20100411202756000 16 15 1357374+093707 29
    24932 97 049B   0433 G 20100411202841000 16 15 1358225+093610 18  +133 02
    
    Notes:
    =======
    (1) Another evening with good conditions-seeing varying from 14 to 10 arc
        seconds improving as night progressed.
    
    (2)#23947  USA 125R2 running about 4m 30sec early.
    
    (3) 90085 running about 90 seconds early
    
    (4) Will report the video observations tomorrow.
    
    Cheers
    Greg
    
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