72 
M. Rumker on recent Astronomical Observations. 
No. 5, 
Professor Schumacher, K. D. observed 
at Altona, in Lat. 53° 32' 50" ; 
Long. 39' 51". Mean Time, 
Emersion, 
Merope, - 9 h 29' 0".6 
No. 7. 
Professor Bode at Berlin. 
Mean Time. 
Emersion of Alcyone, 10 h 5'21".5 
No. 6. 
C. Rumker, Hamburgh, Lat. 53° 33' 8" ; 
Long. 39' 59". Mean Time. 
Immersion. Emersion. 
Alcyone, 9 h 17'3" 
Merope, - 9 h 29' 5".3 
No. 8. 
Dr Janish at Moskwa, Russia, 
Lat. 55° 14' 1 5" ; Long. 2° 30' 42". 
Mean Time. 
Immersion. Emersion. 
Merope, 10 h 24' 47".67 
Alcyone, 10 56 59.6 ll h 47'58".6 
Perhaps the following occultations which I have observed in 
Hamburgh, may find corresponding ones. 
1820, Sept. 25. Alcyone, Immersion, 
Nov. 17. Piscium, 
Dec. 14. w Piscium, 
16. * Arietis, 
25. 84 Leonis, 
— 83 Leonis, Emersion, 
— Star following, 
— 84 Leonis, 
1821, Feb. 7. * Immersion, 
8 . 
9. 
6 h 16' 28". 61 Sidereal Time. 
0 10 20.49 
4 16 19.5 
2 35 17.9 
8 23 16.1 
8 44 39.5 
8 46 0.2 
9 27 9.6 
3 27 56 Copenhagen, 
5 0 4 7 h 58' 57". 5 Mean Time, 
6 53 44 
6 1 23.7 
The following observations of the occultations of the Pleiades 
by the moon, on February 9. 1821, were made by Professor 
Schumacher at Copenhagen, and by me at Hamburgh : 
Feb. 9 — Copenhagen, 
Lat. 55° 40' 26" ; 
Hamburgh, — 
Lat. and Long. 
Long. 50° 20’. 
Mean Time. 
above. 
Sidereal Time. 
Immersion. 
* 
9 h 1' 30". 8 
Anonymous, 
12 h 2' 58". 3 
- 
9 4 2.7 
Celaeno, 
12 14 9.3 
Celaeno, 
9 15 45.8 
Taygete, 
12 23 3.9 
Taygete, 
9 24 34,8 
Anon. 
12 27 30.4 
Anon. 
12 34 43.0 
Maja, 
12 36 11.0 
Maja, 
9 39 46.1 
Asterope, 
12 48 37.6 
Asterope, 
9 44 24.6 
Anon. 
12 50 37.1 
Anon. 
12 57 1.7 
*-> 
© 
CD 
O 
• 
•f* 
Emersion. 
Emersion. 
Celaeno, 
13 8 21.7 
Maja, 
10 31 52.3 
Feb. 10. Immersion, 
9 24 4.8 
6 35 22.2 
