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(meteorobs) Lyrids 1998 (observations)



Observations meteoric shower Lyrid in night with 22 on April 23 1998.
Geographical longitude 48d05mE
Geographic latitude 54d19mN
Lm in zenith 6.1.
Before sunrise the beautiful connection of the narrow Moon, Venus and
Jupiter was visible!

Observers                           Direction
SH - Sergey Shanov        30 degrees to a north from zenith
IP - Ivan Purtov               30 degrees to a east from zenith
DB - Dmitriy Borodin       30 degrees to a south from zenith
Secretary
TH - Tanya Shanova

AL - Angular length of a meteor
ZD - Distance from zenith up to middle of a meteor or flashout
DF - Flight direction of a meteor (0 - north, 3 - east, 6 - south, 9 - west)
DZ - Flight direction from zenith (0 - north, 3 - east, 6 - south, 9 - west)

Period 1   19:00 - 19:50 UT
Time UT,   AL, ZD, DF, DZ,   SH, IP, DB,   Shower,   Note
01  19:00  3    25  1.5   0       +2.5
02  19:00  5    20  5      5                +4
03  19:06  8    50  7.5   6                      +4       possible LYR
04  19:08  25  45  8.5   8                        0       LYR flash, track
05  19:11  30  60  8.5   8.5                   -0.5    LYR flash, white
06  19:17  30  25  5      3.5                    +4
07  19:18  10  10  9      1                       +3.5   possible LYR
08  19:19  8    70  10    11     +2                      LYR
09  19:19  10  25  9.5   10.5  +1.5                   LYR
10  19:20  20  45  9      10                      0       LYR flash
11  19:20  15  25  8      5                -0.5           LYR
12  19:21  15  65  8      8                        0       LYR track
13  19:24  6    25  6      0       +4                              slow
14  19:25  7    10  5      2                       +3.5
15  19:25  25  30  5.5   5.5                    +0.5           flash
16  19:28  20  35  8.5   7                       +1      possible LYR flash
17  19:30  10  50  6      4                +5             possible LYR
18  19:36  15  10  11    5                +2   +1
19  19:39  5    40  2      4.5             +3   +4              slow
20  19:40  8    30  0.5   11     +2.5                           slow
21  19:42  3    25  9.5   0       +5                      LYR
22  19:43  5    35  5      4                +4
23  19:46  8    20  10.5 0       +2
24  19:48  7    20  6      3                       +4.5

Period 2   20:00 - 20:50 UT
Time UT,   AL, ZD, DF, DZ,   SH, IP, DB,   Shower,   Note
25  20:02  13  35  10    0.5   -1                       LYR yellow, flash,
track
26  20:09  5    35  10.5 0      +4                      LYR
27  20:12  15  60  9      9        0                       LYR track existed
4 seconds
28  20:15  3    72  1      0.5   +3
29  20:18  5    65  10    10.5 +3                       LYR
30  20:18  5    65  0      0.5   +3
31  20:19  15  60  7      5                          0     LYR orange
32  20:24  6    40  3.5   3      +2.5                    LYR
33  20:31  10  25  10    11.5 +1                       LYR
34  20:32  12  28  7.5   6                         +3    LYR
35  20:35  5    35  0      1      +2
36  20:35  3    50  4      4             +3                         flash
37  20:37  15  15  10    1             +1                LYR yellow
38  20:41  5    55  7      4.5          +3                LYR
39  20:44  4    50  0.5   11    +4
40  20:44  40  60  10    9                         -0.5  possible LYR flash
41  20:45  5    70  1.5   2             +4                LYR
42  20:46  8    80  1      1.5          +2                LYR
43  20:49  20  45  7      7.5                      +4.5 possible LYR rapid

Period 3   21:10 - 22:00 UT
Time UT,   AL, ZD, DF, DZ,   SH, IP, DB,   Shower,   Note
44  21:10  10  30  11    1      +1                    LYR
45  21:11  18  55  7.5   6                       0     LYR flash
46  21:13  4    30  0      1      +2.5
47  21:14  17  40  8      6                       0     LYR flash, track
48  21:16  6    17  9      11    +4                    LYR
49  21:21  6    5    9      5.5   +1   +1      0    LYR yellow
50  21:22  4    0    9      -      +4                    LYR
51  21:22  12  35  8      9                      +3
52  21:24  5    45  11    7                      +4
53  21:25  13  30  0      2      +0.5                 LYR
54  21:25  7    40  0      2      +1                    LYR
55  21:25  5    7    9      3                      +0.5 LYR
56  21:27  5    30  2      3              +4.5
57  21:29  5    45  3.5   4                      +4
58  21:29  3    80  10    11    +2                    LYR
59  21:34  3    25  11.5 8.5                   +5
60  21:37  20  30  9      5.5                   +2    LYR track
61  21:39  10  50  7      7                      +4 simultaneous flight of
meteors,
62  21:39  5    30  7      4                      +4    possible LYR
63  21:43  8    30  8      3.5                   +1.5 LYR
64  21:44  10  30  8      9                      +3.5         rapid
65  21:44  20  25  9      8                      +2    LYR
66  21:45  10  20  9.5   10    +1.5                 LYR
67  21:45  10  65  4      3        0                    LYR
68  21:46  10  50  7.5   7                      +2    LYR
69  21:46  12  60  6      10    +2                            slow
70  21:47  4    20  11    11    +4                    LYR
71  21:48  15  40  8.5   8.5                   +1.5 LYR
72  21:50  7    20  9.5   2      +2                    LYR track
73  21:50  5    25  6      2      +3                    possible LYR
74  21:58  5    50  1      2      +1    +1            LYR track
-----------------------------------

Sergey Shanov
RUSSIA

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