May 15, 2000
Ir 27 t, observed for 150 secs. Started with bright -02.0 flashes that
brightened to a -3.0 or -4.0 at 01:42:46.4; then dimmed to minor flashes
around mag 0.0 at 01:43:06.83. The flash's became Max's from 01:43:13.9
to 01:43:34.96 secs; then a series of 2.0 Max's followed by a -1.0 flash
at 1 to secs after the max (notated below as M.f), this pattern continued to
01:44:49 where the Max-flash pattern began a pattern of double flashes around
mag -1.0 again seperated by about a second or two as were the Max-Flash pattern
previous. The most brilliant flashes of this double flash series are indicated with *
or ** with the ** being brighter than the *. As Bjoern pointed out a near
seven second period is evident. (note that the stopwatch was used to
01:43:34.96 then a tape recording against NIST signals followed, hence
a larger time error of a second will be evident in the data after 01:43:34.96).
Flashes
01:42:26.16F, 32.97F, 39.62F, 46.4F**, 53.21F, 59.96F
01:43:06.83f, 13.90M, 20.52M, 28.63M, 34.96M, 42M.f, 48M.f 55M.f
01:44:01M.F 09M.f 16M.f 22M.f 29M.f 35M.f 41M.f 49Morf.f 56f.f
01:45:02f.f 09f.f 16*F.F 23F.f** 29F.F** 35F* 41F 48f 55f
97 -51 D 2000-05-15 01:43:34.96 JN 68.8 .2 10 06.88 -4.0->inv F
Time Azimuth Elevation Sun Angle
01:42:26 67.9 47.4 -9.2
33 74.3 48.3
39 80.0 48.8
46 86.8 48.9
53 93.7 48.7
01:43:00 100.3 48.0 -9.3
07 106.6 47.0
14 112.4 45.7
21 117.7 44.2
29 123.1 42.2
35 127.3 40.4
42 130.5 38.8
48 133.4 37.2
55 136.5 35.4
01:44:01 138.8 33.9 -9.4
09 141.6 31.9
17 144.1 30.0
22 145.5 28.8
29 147.2 27.3
35 148.6 26.0
41 149.9 24.8
49 151.4 23.3
56 152.7 22.1
01:45:02 153.6 21.0 -9.6
09 154.7 19.9
16 155.6 18.8
23 156.5 17.7
29 157.2 16.9
35 157.9 16.0
41 158.5 15.3
48 159.2 14.4
55 159.9 13.5
Clear & Dark skies----------------------------------------------------------
Jim Nix | Raleigh Spring site
| 35.2131N 89.9354W 90.2m #8936
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This archive was generated by hypermail 2b29 : Sun May 14 2000 - 23:20:36 PDT