April 1 2 1 6 ~ 2 4 ~ 1 1 ~ 12 16 4 4 23 29 1 5 6 16

29 15 30 5 2

29 '5 2 4 58

29 15 5 5 32 June 23 9 47 53

296'?24 296.68 151.23 150.95 154.21

'51.43 221.29

2 0 7 . 7 7 208.91 2 6 5 . 0 ~ 26491

16.93 18.67

306.57 306.99

'7 45 55 1 7 51 30 15 16 38 15 2 0 1 7 ' 5 37 ' 3 '5 39 23

9 56 6 10 4 6

66.09 67.2; 18.58 '9.45 23 .52

270.71

271.36 257.35 258.44 214.98 217.12

1 254.94

' 7 40 44 I 7 44 53 16 56 2 6 '7 0 5

15 39 10

1 5 45 28

16 13 50 16 26 16 16 30 2

1 1 37 1 2

-

16 1 0 49

I I 1 1 7 72.43 I I 48 1 5 72.65

1 2 10 56 78.68 1 1 34 59 77.68

- - - -

1 1 2 1 54 11 30 59 1 1 50 5 2

I I 5 1 3 11 5 7 8 I I 5 7 ' 4

249.26 14 35 31

264.38 9 24 I 264.08 9 40 3' 259.68 9 48 49 259.73 9 59 I

258.05 9 53 33 257.92 9 51 33 - 1 0 z 41 - 10 4 19

2451.21 14 38 58 1 1 9 . 7 7 125.20

'54.9' '54.33 173.02 172.43 '97.56 196.40 197.72 196.10 June 24

24 24 24

2 1 1.25

1; 2 z d 1 210.14 -

- - I -

I 1 0

1898 1 Eastern Time 1 p i Eastern Time 1 s Eastern Time

1 6 ~ 3 4 " 3' 16 38 39 I 5 I 4 53 1 5 1 7 28 ' 5 4 1 47 '5 4 7 44 9 59 25

1 0 5 54

S

28:'63 28.16 62.83 62-41 61.02 60.39 5 2 . 1 5 53.54

247.57 247.52 103.22

50.76 51.23

I 2 9 . 7 8 129.40

102.79

100.0 I

99.74 89.32 88.52

89.02 89.21

E n c e l a d u s --Titan. April 1 2 I 1 5 ~ ~ 5 8 " 3'1 153038

1 2 16 13 35 155.01

T e t h y s - D i

1 6 ~ 3m59s 16 7 53

n e. I 7 '2 5 I 7 11 8 16 15 30 16 2 2 34 16 8 56 r6 1 5 26 I 4 57 2 7

' 5 32 I4 47 2 7

14 5' 31 1 0 34 ' 5 1 0 4 4 33

6!'36 6.69

2 0 . 2 I

20.48 45.23 44.63 7 2 4 7

7 2.04 6.86 7.09

52.89 52.65 54.07 53.74

57.47 5 1.83

52.93 53-16

83.09 83.38

-

104.85 105.01

61.65 61.78

103.33

Febr. 2 7 2 7

Mar. 8 8

April 7 7

16 16 29 29

June 2 3 23

Febr. 2 7 27

Mar. 8 8 8

April 7 1

16 16 29 29

June 23

I 70.65 I 74.88 327.50 332.15 299.74 30 1 .go

27.12

271.61 272.56

280.63

2 1 . 2 5

2 19.04

1 7 4 54 1 7 2 4 24. 16 3 . 5 9 16 2 8 I

16 0 34 16 23 13 14 5 0 3' 7 5 9 ' 5

74 5 1 7 I 0 2 5 2 1

1 0 59 35

14 36 7

R h e a - T i t a n . Mar. 8

8 April I 2

16 16

3

I 2

June 3

May '7 1 7 I 8 18 I 8 18

'7 39 9 ''I 57 3 '5 5 18 15 49 5 ' 5 25 4 0 15 50 1 2

9 45 1 10 1 2 4 7

T e t h y s - R h e a . ' 7 33 1 0

'7 5 4 35 16 32 5 1 16 4 4 2 1

I 7 5 53 1 5 29 18 15 53 38 16 o 30 16 23 14 16 1 8 42 16 35 26 I 1 2 2 45

T i t a n - I a p e t u s . April I 2

June 30 30

I 2

July I I

2

2

2

2

T e t h y s - T i t a n . 16 4 1 33 1 100.66

t u s . 9 36 50 '29.74 9 44 5 5 1 127.44 9 5 2 40 128.92 9 58 5 ' I 129.79 May '7

I 7 I8 I8 18 I 8

90.38 89.09

69.07 68.5 5

68.83 68.58 Mar. 8

8 April 7

Observations of Comets a t t h e R o y a l O b s e r v a t o r y , C a p e of G o o d H o p e .

1899 ~ Cape M. T. I An Ad I Cp. I a app. 1 logp.dl d app. ~ 1ogP.d I Red. ad 1. app. I * C o m e t 1899 I.

-

Mar. 6 I 8h56m435~ I.+orn $741 +9' 321'12 111.6 I 3h38rn30?39 19.6848 1 -24'37' 6:'8 10.7643~1 t o s 9 2 -7V28 I I

Made with the 7 in. Equatoreal and Repsold Micrometer by Mr. R. T. A. Innes.

1 I 1 3607 I12

7h59m30!a~ 9.6928 - 9.7006

8 1 7 55.64 9.6956 - 9.6956

8 2 1 40.86 9.7019 - 9.1031

1 8 2 1 39.25 9.7073

- 9.698 I

8 36 35.41 9.7020 8 36 34.96 9.7020

1899 Cape M.T . I da 1 Ad 1 Cp. I a a p p . 1 logp.dl Sapp. I 1ogp.d I R e d a d 1.app. 1 *

- 1 7 ’ 3’ 81’8 0.7228, +0!98 -1o:’f5 - 0.1 166, +0.98 - I 1.34

-19 25 31.8 0.7289, +o.qg -11.68 - 0.7289, +o.gg - I 1.80

-19 5 2 45.5 0.7214, + I . O I -11.91 - 0.7192,. +0.99 -12.01

- 0.7234n -1-0.98 -11 .58

- + I . O O - - + I . O O - - + l . O I -

- - -

T u t t l e ’ s c o m e t 1899 III.

8 5 1 41.28 19.7132 I - I -

June 26 29 30

July I I

2 2

2

6 6

I 0 + 1 . 0 2 -

- & -

I

2

3 4 5 6

Authority

Cord. GC. AOe, BD . BD. Lal., Paris, BB.VI, Porter BD.

6h 3 8”’ I 273

6 31 28.7 6 45 36.3

6 30 39.2 6 30 39.2 6 39 16.5

6 43 19.2 6 4 2 3.1

6 30 9.0 6 30 9.0 6 39 47.1

* 1 a 1899.0 1 d 1899.0

7 8h21m33?10 -19’16’48!’0 8 8 2 1 3 1 f -19 54

1 0 8 37 6.79 - 2 1 50 11 8 37 25.95 - 2 1 40 1 2 8 5 1 2 8 . 7 0 -23 26 1 2

9 8 23 24.43 -19 5’ 40.9

- ornl 0709 +o 19.58 +o 8.00 + I 5 . 2 5

-0 7.04 -1-0 6.75

-I 46.18 -0 32.38 -0 5 2 . 0 0

-0 11.56

-

- 4’ 16!’5 + 0 31.1 + I 18.7 - 1 1 2 5 . 1

+ I 53.9 -35 45.6 -

- - - -

10.5

4.4 4.4 6.4 6.4 3.3

4.- 6.- 6.- 4.-

-

Made with the 7 in. Equatoreal by Mr. 172. T. A. Innes.

a 1899.0

3h 3grn24513 I 59 39-32 8 I 0 I 2 ’

8 14 6

8 18 2

8 16 49.40

6 1899.0

- 2 4 O 46’ 3 I I’6 -16 58 41.5 -18 30 - 1 8 59 -19 ‘3 55.0 -19 2 7

R e m a r k s t o T u t t l e ’ s c o m e t 1899III . June 29. Position-angle and distance. Comet too I third observations. The middle

faint to see when wires are visible. The error in RA. should however be under is and in Decl. under 10”. - June 30. Position-angle and distance. - Comet almost invisible in dark field. - July I . Made with the lowest power positive eye- piece used as a ring-micrometer. The comet was difficult to see by direct vision in a dark field. The differences of a .are considered more accurate than the differences of d. - July 2. Eyepiece as ring-micrometer for first and

2-

3. 4- 5 6 I 8- 9.

I 0

I 1

I 2

Authority

Porter Anon. 9?8 Porter AOe,, Porter, Paris AOe, , Porter, Paris Rad3, Cord. GC., AOe,

observation on this day is. a transit of the comet over a star. The transit looked central, but from the position of the comet before and after transit the comet may have been 6” or 7“ S of star at conjunction in a. - July 6. Eyepiece as ring-micro- meter. RA. only. At I 3h 47” the comet was estimated to be 30” S of the star I I in Decl., say 2 1 ~ 4 0 ’ 36”+. - July 10.

Observations discordant. Eyepiece as ringmicrometer. Comet. not visible when star in field.

Royal Observatory, Cape of Good Hope, 1899 October. David GiZZ, H. M. Astronomer.

Sur l’e’toile variable BD. +45?3062 (type Algol). En rCduisant toutes mes observations sur 1’Ctoile BD.

+45?3062 au minimum de 1899 inai 7, j’ai trouvC que: I ) Le minimum a eu lieu en 1899 mai 1, 1 1 ~ 6 ~

t. m. de Greenwich, et que, par consequent, la correction de 1’CphCmCride du Prof. Pickering (A. N. No. 3581) est t 9 . 5 minutes.

a ) La courbe de lumihre n’est pas symCtrique; le

dCcroissement d’Cclat est plus lent que l’accroissement, et la plus rapide variation de lumihre dans la branche des- cendante de la courbe est 1 1 / ~ fois plus lente que pour la branche ascendante.

Dans l’article dejja mentionne du Prof. Pickering il s’est glissC une petite erreur : pour l’epoque 7 5 2 dans la colonne Julian Day il doit stre 4782.454 et dans 0 - C -0.002.

MOSCOU, 1899, le 4/16 septembre. S. BZajho. ~~ ~~ ~ ~

I n h a l t : Zu Nr. 3506-07. 1”. H. Scares. Definitive Orbit of the Comet 1894 IV (E. Swift). 81. - W. Stnztmof. Snr Ytclat de Yetoile centrale de la ntbu- -

leuse annulaire de la Lyre. 101. - R. G. Aitkcn. Measures of the Satellites of Uranus in 1899. 1 0 5 . - 0. Stme. Observations. of the Satellites of Saturn. 107. - D. GZZ. Observations of Comets. 109. - S. BZujko. Sur Yetoile variable BD. +45?3062 (type Algol). III.

Qeschlossen 1899 Dec. 9. Hersusgeber: H. K r e n t e . D m o k von C. S c h a i d t . Expedition: Kid, Niernamnswag 103.