PPAS observations February 6-8

From: Bram Dorreman (bram.dorreman@skynet.be)
Date: Wed Feb 09 2005 - 17:30:42 EST

  • Next message: Alberto Rango: "4541 Satobs 8 - 9 Feb 2005."

    yy-nnncc.yy-mm-dd.hh:mm:ss.t.obs.sss.t.s.s.nnn.ss.tht.comment
    72- 82 A 05-02-07 20:23:37   BD                 3.3   note 1.
    76- 19 A 05-02-08 04:44:38.4 BD   82.2 0.2  15  5.49  F'f; +5.0 (7.0)->inv
    76- 91 A 05-02-08 18:03:05.8 BD   84.5 0.2   2 42.2   Irr; +5.0->8.0; note 2
    78- 42 A 05-02-08 05:47:53.5 BD  147.5 0.2   3 49.2   Irr, +4.0->inv; note 3
    79- 57 A 05-02-08 18:50:41.2 BD  124.0 0.2   6 20.7   F; +4.5->inv; note 4
    81- 59 F 05-02-06 17:42:32.7 BD   25.7 0.5   5  5.1   +7.8->i
    82-118 A 05-02-08 03:55:32   BD   76.5 0.5   2 38.2   R; +5.5->inv
    83- 22 A 05-02-06 18:26:59.8 BD   80.3 0.3   6 13.4   F; +4.0->inv; note 5
    85- 94 G 05-02-08 19:52:46.8 BD  148.2 0.5   8 18.5   R; +6.0->inv
    87- 20 B 05-02-07 20:04:52.9 BD  128.1 0.3   7 18.3   R; +6.0->inv; hp?
    87- 20 B 05-02-08 04:14:40   BD  188.6 0.3   5 37.7   R; +6.5->8.0
    90- 46 B 05-02-06 18:37:52   BD  119.8 10    1 120    dtm; +3.5->8.0; note 6
    94- 56 A 05-02-07 05:53:00.7 BD  120.6 0.2  56  2.15  +9.0->11.0; tel
    95- 27 B 05-02-07 03:51:47.2 BD  212.4 0.5  11 19.3   F'f; tel; note 7
    97- 21 B 05-02-07 05:31:50.4 BD   97.1 0.3   5 19.4   R; +9.0->11.0; tel
    97- 52 C 05-02-08 19:00:41   BD  184.7 2.0   6 30.8   R; +5.0->inv; note 8
    98- 72 C 05-02-08 05:13:10.9 BD   87.7 2.0   2 43.9   R; +7.0->inv
    98- 76 B 05-02-08 05:37:14.8 BD   45.8 2.0   1 46
    99-  4 A 05-02-06 18:14:23.9 BD  101.4 0.2  41  2.47  F; +6.0->inv
    99-  4 A 05-02-06 20:10:43.1 BD   20.2 0.2   8  2.53  F; +6.0->inv
    99- 34 A 05-02-08 04:57:03.8 BD   35.2 0.2  11  3.20  R; +7.0->8.0
    99- 34 A 05-02-08 18:45:23.6 BD   79.6 0.2  24  3.31  R; +7.5->inv
    02- 37 D 05-02-07 04:02:40   BD   65.9 2.0   1 66     +5.5->8.0
    02- 37 D 05-02-08 04:05:52   BD  184.7 2.0   4 46.2   +6.5->8.0
    03- 37 C 05-02-07 05:15:38.7 BD   46.2 0.2  24  1.93  F; +6.0->inv
    03- 54 B 05-02-06 18:49:38.4 BD  262.3 0.3  14 18.7   +3.0->7.0
    04- 21 B 05-02-07 04:12:53.2 BD   86.8 0.2  35  2.48  +2.3->i
    04- 25 B 05-02-08 18:38:36.2 BD  108.9 10    1 109    +5.2->7.0
    04- 34 B 05-02-07 03:23      BD                 5     a; tel; note 9
    04- 42 B 05-02-06 20:56:30.4 BD   74.5 0.2  40  1.86  tel
    04- 46 B 05-02-06 17:36:08.4 BD  110.6 0.6   2 55.3   +4.5->inv; note 10
    04- 52 B 05-02-07 18:27:44.5 BD   68.3 0.4   5 13.7   R; +3.0->8.0
    04- 52 B 05-02-08 17:54:09.5 BD   54.6 2.0   2 27.3   dtm; fm; +2.0->6.0
    05-  4 B 05-02-07 04:52:34.4 BD   68.5 0.2  11  6.23  R; +4.0->7.0; note 11
    
    notes:
    General:
      - timings within one (assumed) periode are placed between parentheses.
      - all observations using 7 x 50 binoculars except when "tel" in comment.
      - "tel" in comment means observation by telescope,
              in my case a 10" (or 25.4 cm) Dobson.
        therefore the magnitude estimates are guesses.
    
    1. 72- 82 A: two flashes only mag 3 & 5 with 3.3 seconds interval.
    2. 76- 91 A: timings are:
       (10.16 27.12 15.4) (11.52 17.11 13.19)
       First and last used maxima were flashes.
    3. 78- 42 A: timings are:
       (26.08 6.40 15.67) (28.14 2.89 19.69) (16.76 10.78 21.11)
       several flashy maxima.
    4. 79- 57 A: timings are:
       (7.09 6.87 7.22) (4.69 14.57) (8.71 8.11 5.24)  (6.16 8.82 6.61)
       (5.73 5.72 9.36) (5.06 7.05 7.01)
    5. 83- 22 A: three different maxima per period.
    6. 90- 46 B: maxima and minima are difficult to determine.
    7. 95- 27 B: timings are:
       (6.85 10.94) (6.88 13.04) (8.25 10.52) (11.73 10.23) (8.39 10.33)
       (8.62 10.13) (9.50 10.69) 19.69 (9.30 8.78) (7.07 2.55 9.67)
       (9,27 9.93)
    8. 97- 52 C: timings are:
       (8.45 21.80) (15.12 14.33) (19.00 12.45) 32.73 (25.95 3.39)
       31.47
    9. 04- 34 B: period is very rough guess. I timed but did not reset
       from previous observation, so timings lost.
    10.04- 46 B: timings are:
       (13.78 29.98 8.21 3.03) 55.59
    11.05-  4 B: unexpectedly regular for such an object.
    
    Bram Dorreman
    COSPAR 4160
    51 16' 45.5" N  5 28' 36.6" E (WGS84) 35 m
    
    
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