PPAS/PNAS-obs 4160 (BD) 2012-02-02

From: Bram Dorreman (bram.dorreman@gmail.com)
Date: Fri Feb 03 2012 - 01:08:57 UTC

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    PPAS-records, for format see
    http://www.satobs.org/tumble/flashpm.html#PPASformat
    Using 7x50 binoculars
    
    yy-nnncc yy-mm-dd hh:mm:ss.s ooo sss.s s.s nnn ff.fff comments
    89- 89 A 12-02-02 17:15:47.0 BD   64.6 0.0   9  7.1   f'_f_Ff; +3.0->inv; 1)
    84- 12 A 12-02-02 17:25:33.3 BD  114.3 0.0  20  5.71  F'f'; +4.5->inv; 2)
    09- 39 C 12-02-02 17:54:56.3 BD   67.4 0.0   2 33.6   A; +3.7->7.8
    84- 12 A 12-02-02 19:13:08.0 BD   85.9 0.0   7 12.2   F; +5.0->inv; 3) 4)
    
    1) every third flash is followed by a faint flash about 2 seconds later.
    2) in early evening transit 84012A showed alternating bright and faint flashes
    3) in subsequent transit 84012A showed only bright flashes but not as bright as
       in the early transit. Moreover the fp was longer than in the early transit
       between the bright flashes.
    4) stoptime is not real, my electronic chronograph failed, battery empty.
       Reconstruction from clicks of its button on voice recording.
    
    PNAS-records:
    
    yy-nnncc yy-mm-dd hh:mm:ss.s ooo sss.s comments
    98- 43 G 12-02-02 17:06:43   BD        S; +2.6 0326+40 127!74
    80- 51 B 12-02-02 17:25:07   BD        S; +2.9 samfov 84012A; 0640+20 100!33
    92- 73 B 12-02-02 17:38:06   BD        S; +4.5 nuAur; drop from PPAS obs.pgm
    87-101 A 12-02-02 17:54:21   BD        S; +3.7 samfov 09039C
    76- 19 A 12-02-02 18:12:27   BD        F; +5.5->inv fp a 0.3
    09- 13 A 12-02-02 18:24:18   BD        L; +4.5->inv 182417.6 flare;
    az=269.8 Saz=265.4
    03- 54 A 12-02-02 18:27:23   BD        S; +4.9 0531+19 135!51
    03- 54 C 12-02-02 18:27:29   BD        S; +4.9 0532+19 135!51
    05- 16 B 12-02-02 18:28:10   BD        S; +2.6 0601+35 108!60
    08- 21 K 12-02-02 18:33:30   BD        S; +4.0 0952+61 41!42
    08- 54 A 12-02-02 18:35:13   BD        V; +2.6->4.9 Irr?
    02- 46 B 12-02-02 18:40:04   BD        V; +3.5->inv max at etaCas
    10- 62 G 12-02-02 18:46:10   BD        S; +7.0 2308!29 277!33
    96- 29 D 12-02-02 18:49:47   BD        V; +4.0 one short little flash
    09- 36 D 12-02-02 18:58:01   BD        S; +6.2 0720+22 110!43
    84- 12 C 12-02-02 19:08:59   BD        L; +3.4 0305+38 232!72
    
    Most of my PNAS-observations concern magnitude and variability checks.
    If comments start with L it concerns a flare.
    In some cases teh azimuth of both satellite and sun are given.
    In comments the position of the object is roughly indicated in format
    hhmm+dd aaa!ee in which
    hhmm is the right ascension
    sign of declination as separator
    dd is the declination
    aaa is the azimuth (north = 0)
    ee is the altitude
    ! (exclamation mark is separator)
    These coordinates are those obtained from prediction by Guide 8 with
    the most recent TLE's available.
    
    Bram Dorreman
    Site 4160: 51.27931 N, 5.47683 E, 35 m (WGS84)
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