Table
2
Brightness of noctilucent clouds
detected by visual observations
(German and Poland Data)
Date of display
|
Intensity before midnight |
after midnight
|
|
21.07.1960 |
I, II |
|
|
07.06.1962 |
II |
III, IV |
|
09.06.1962 |
II, III |
I – IV |
|
27.07.1963 |
II |
|
|
29.07.1963 |
II, I |
|
|
09.06.1964 |
II |
II - IV |
|
16.07.1964 |
I, II |
|
|
20.07.1964 |
II, I |
|
|
04.05.1965 |
I, II |
|
|
07.07.1965 |
II |
IV – I |
|
24.07.1965 |
II |
III – IV – I |
|
20.05.1966 |
II-I |
|
|
22.05.1966 |
I-II |
|
|
02.06.1966 |
II |
III-IV |
|
09.06.1966 |
II/I |
I, II, IV |
|
10.06.1966 |
III/I |
II – IV |
|
15.06.1966 |
I, III |
I – IV |
|
18.06.1966 |
|
III |
|
23.06.1966 |
|
II / IV |
|
26.06.1966 |
I |
I |
|
27.06.1966 |
|
III |
|
30.06.1966 |
II, I |
IV |
|
02.07.1966 |
III |
III |
|
03.07.1966 |
|
I / II |
|
04.07.1966 |
|
IV |
|
05.07.1966 |
|
I / IV |
|
07.07.1966 |
|
II |
|
08.07.1966 |
|
II |
|
15.07.1966 |
II |
|
|
17.07.1966 |
I, II |
|
|
01.06.1967 |
II |
IV / III / II |
|
16.06.1967 |
I |
I+ |
|
04.07.1967 |
II |
II – IV, I |
|
16.07.1967 |
|
IV, III (V+) |
|
18.07.1967 |
II |
III, II+ |
|
07.05.1968 |
|
I – II |
|
26.05.1968 |
|
II |
|
22.06.1968 |
I, II, III |
|
|
23.06.1968 |
III, IV |
III |
|
25.06.1968 |
I |
II |
|
27.06.1968 |
|
I / II, II+ |
|
29.06.1968 |
|
I, II, III, III+ |
|
30.06.1968 |
I, II |
|
|
01.07.1968 |
I, II |
IV+ |
|
05.07.1968 |
I – IV |
|
|
12.07.1968 |
I+ |
II, III, I+ |
|
14.07.1968 |
I, III |
II, IV |
|
21.07.1968 |
|
IV |
|
22.07.1968 |
I, II (III – V)+ |
III – V+ |
|
24.07.1968 |
II, III (III)+ |
III |
|
27.07.1968 |
I, II, III |
III+ |
|
28.07.1968 |
II, III |
V+ |
|
30.07.1968 |
|
III – I |
|
04.08.1968 |
I, (IV)+ |
IV+ |
|
25.08.1968 |
|
IV |
|
14.05.1971 |
II |
I, II – III |
|
19.05.1971 |
I – II |
|
|
23.05.1971 |
II – III - IV |
|
|
25.06.1971 |
|
II |
|
26.06.1971 |
|
I |
|
27.06.1971 |
|
IV – II – I |
|
02.07.1971 |
II |
III – I |
|
04.07.1971 |
I – II |
III – II – I |
|
08.07.1971 |
I – II |
II – I |
|
16.07.1971 |
|
I – II, II – III |
|
17.07.1971 |
I – II – III |
|
|
21.06.1972 |
II – IV |
IV / I |
|
23.06.1972 |
I – II |
II, III, I |
|
24.06.1972 |
I |
|
|
28.06.1972 |
|
II, III |
|
02.07.1972 |
IV, II |
|
|
06.07.1972 |
II, III |
II, I |
|
22.07.1972 |
II |
II |
|
04.08.1972 |
I |
II |
|
07.06.1976 |
I |
III / IV |
|
09.06.1976 |
|
I |
|
17.06.1976 |
|
I / II |
|
21.06.1976 |
I, IV |
III / IV |
|
23.06.1976 |
III |
I, II |
|
01.07.1976 |
I, II, II |
II, III, IV |
|
05.07.1976 |
I |
I |
|
10.07.1976 |
II, III |
III |
|
02.06.1977 |
|
I, II, III |
|
07.06.1977 |
II, IV |
IV, III, I |
|
13.06.1977 |
I, II, III |
III, II, I |
|
19.06.1977 |
I – II |
II – I |
|
23.06.1977 |
II, I, IV |
III – II – I |
|
28.06.1977 |
III - II |
|
|
30.06.1977 |
I, II, III, IV |
|
|
04.07.1977 |
II, III |
|
|
10.07.1977 |
I – II |
III – II - I |
|
11.07.1977 |
II |
|