11
ASTRONOMISCHE NACHRICHTEN. +2.78 - 0.9 +2.78 - 0.8 +2.78 - 0.7 +2.79 - 0.5 Nn 3573-74. 8 9 11 I0 Band 149. 11 9 47 12 43 22 10 42 6 I0 40 46 2 1-22. -0 57.25 +o 25.60 +o 51.27 +O 42.53 Osservazioni di pianeti e della cometa Wolf 1898 IV fatte nell' anno 1898 coll' equatoriale di Dembowski (187 mm), appartenente a1 R. Osservatorio Astronomico dell' UniversitB di Padova, da A. Antoniazai. 8.8 10.5 7.7 10.5 Cf. I a app. I 1ogp.A I d app. 1logp.A I Red. ad 1. app. I * 7 6 52.51 7 5 49.98 7 4 57.03 7 2 8.76 Data 1T.m.Padova 10.5 8 15 32.12 7.7 8 14 29.62 12.6 8 13 26.28 5.5 7 52 49.97 6.5 8 I0 18.43 Aa 8.732, 8.644n 7.516, 8.580, 9.286, Ad +2.70 - 5.5 +2.71 - 5.4 +2.72 - 5.5 +2.76 - 5.6 +2.79 - 4.8 1897-98 Dic. 23 Gen. 14 '9 20 21 22 1898 Gen. 14 1898 Gen. 19 20 21 24 1898 Gen. 19 20 21 24 Febb. I 2 1898 Gen. 20 21 I 898 Gen. 20 24 1898 Gen. 21 1898 Gen. 21 24 1898 Febb. I I 18 I2 12 13 13 13 14 (29) Amphitrite. 11 49 19 11 49 31 12 6 22 12 13 23 8 34 43 -0 16.66 3.0 58.90 -0 4.45 -3 12.34 +I 42.72 +2.89 - 9.4 f2.90 - 9.4 +2.92 - 9.1 22 23 24 + 2m35?I 3 +2 23.51 +2 31.08 -0 2.80 +o 39.46 -1 28.70 +O' 251'5 -1 23.1 -7 36.0 -3 30.1 -2 1.3 -1 41.2 -1 50.1 -I 22.9 -1 5.4 -0 4.9 +o 58.4 +3 8.2 +I 20.1 +I 17.8 +I 22.2 +O 15.5 -3 32.0 -3 53.5 +6 57.4 -3 333 +3 58.1 -I 36.0 -2 30.6 -0 38.3 -2 9.4 +I 34.0 5.5 6.6 10.5 7.7 7.7 10.5 !ih4Orn46'37 5 18 3.65 5 20 40.96 5 17 44.01 5 '7 21.55 5 17 2.16 9.285n 8.805, 9.600 8.586, 8.878, 8,447, 9.457 4.909 8.876 8.554, 7.92% +33'41' 111'8 +32 43 6.0 +32 24 17.0 +32 21 10.5 +32 17 38.4 +32 '3 46.4 0.308 0.288 0.525 0.295 0.297 0.298 +2?72 + 5!'0 +2 69 + 8.5 +2.67 + 8.7 t2.69 + 8.5 +2.66 + 8.8 +2.72 + 8.3 0.614 1 -t2.64 + 1.0 I 7 +21 13 20.5 4-20 22 43.7 +20 26 34.5 +20 29 50.8 +20 40 22.2 +I5 21 37.9 +IS 21 30.8 +15 24 19.0 4-15 21 33.2 +IS 21 35.1 0.658 0.644 0.643 0.644 0.660 (384) Burdigala. 10.6 I 6 5 57.36 I 8.488,l +31 8 11.4 12.5 6 5 20.20 8.993n +3r 7 49.9 9 52 8 +o 47.96 9 30 43 I +o 10.80 +2.87 + 5.0 15 0.338 0.333 I t2.87 -+ 5.0 15 (106) Dione. (65) Cybele. 4.4 I 7 34 21-41 (104) Klymen (306) Unitas 9 7 31.22 9 6 33.65 I0 9 47 59 46 I4 I +o +O 21.07 9*93 8.108, +27 38 19.5 8.860, +27 42 46.6 0.426 +2.92 + 0.7 16 0.427 I +2.93 + 1.1 17 I2 58 2 I -1 29.90 9.120 I +18 ZI 20.8 0.618 I +2.78 - 2.9 118 II 19 9 +o 46.64 II 19 16 I -0 38.35 9 48 4 +3 45.54 9 15 8 +2 22.39 9 22 48 I +I 30.05 0.663 0.667 0.644

Osservazioni di pianeti e della cometa Wolf 1898 IV

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Page 1: Osservazioni di pianeti e della cometa Wolf 1898 IV

ASTRONOMISCHE NACHRICHTEN.

+2.78 - 0.9 +2.78 - 0.8 +2.78 - 0.7 +2.79 - 0 .5

Nn 3573-74.

8 9

11

I 0

Band 149.

1 1 9 47 12 43 2 2

10 42 6 I 0 40 46

2 1-22.

-0 57.25 +o 25.60 +o 5 1 . 2 7

+ O 42.53

Osservazioni di pianeti e della cometa Wolf 1898 IV f a t t e ne l l ' a n n o 1898 col l ' e q u a t o r i a l e d i Dembowski (187 mm), a p p a r t e n e n t e a1 R. O s s e r v a t o r i o

A s t r o n o m i c o del l ' Univers i tB d i P a d o v a , d a A. Antoniazai.

8.8 1 0 . 5

7 . 7 10 .5

Cf. I a app. I 1ogp.A I d app. 1logp.A I Red. ad 1. app. I *

7 6 5 2 . 5 1 7 5 49.98 7 4 57.03 7 2 8.76

Data 1T.m.Padova

1 0 . 5 8 1 5 32.12 7.7 8 1 4 29.62 12.6 8 13 26.28

5.5 7 5 2 49.97 6.5 8 I 0 18.43

Aa

8.732, 8.644n 7.516, 8.580, 9.286,

Ad

+ 2 . 7 0 - 5.5 +2.71 - 5.4 + 2 . 7 2 - 5 . 5 +2.76 - 5.6 +2.79 - 4.8

1897-98 Dic. 23 Gen. 14

'9 2 0

2 1

2 2

1898 Gen. 14

1898 Gen. 19

2 0

2 1

24

1898 Gen. 19

2 0 2 1

24 Febb. I 2

1898 Gen. 2 0

2 1

I 898 Gen. 20

24

1898 Gen. 2 1

1898 Gen. 21

24

1898 Febb. I I

18 I 2

12

13 13 13 14

(29) A m p h i t r i t e .

1 1 49 19 1 1 49 31 12 6 2 2

12 13 23 8 34 43

-0 16.66 3.0 58.90 -0 4.45 -3 12.34 + I 42.72

+2.89 - 9.4 f 2 . 9 0 - 9.4 +2.92 - 9.1

22

23 24

+ 2m35?I 3 + 2 23.51

+ 2 31.08

-0 2.80

+o 39.46

-1 28.70

+O' 251'5 -1 23.1 - 7 36.0 -3 30.1 - 2 1.3 - 1 41.2

- 1 50.1

- I 22.9

-1 5.4 -0 4.9

+o 58.4

+ 3 8.2 + I 2 0 . 1

+ I 17.8 + I 22 .2

+ O 15.5

-3 32.0 -3 53.5

+6 57.4 -3 333

+ 3 58.1

- I 36.0 - 2 30.6

-0 38.3 -2 9.4 + I 34.0

5.5 6.6 10.5 7.7 7 . 7

10.5

!ih4Orn46'37

5 18 3.65 5 2 0 40.96

5 1 7 44.01 5 ' 7 2 1 . 5 5

5 1 7 2.16

9.285n 8.805, 9.600

8.586, 8.878,

8,447,

9.457

4.909 8.876 8.554, 7.92%

+33'41' 111'8

+32 43 6.0 +32 24 17.0 +32 2 1 10.5 +32 17 38.4 +32 '3 46.4

0.308 0.288 0.525 0.295 0.297 0.298

+ 2 ? 7 2 + 5!'0

+ 2 69 + 8.5 +2.67 + 8.7 t2.69 + 8.5 +2.66 + 8.8

+ 2 . 7 2 + 8.3

0.614 1 - t2 .64 + 1.0 I 7 + 2 1 13 20.5

4 - 2 0 2 2 43.7 + 2 0 26 34.5 + 2 0 29 50.8 + 2 0 40 22.2

+ I 5 2 1 37.9

+ I S 2 1 30.8

+15 24 19.0

4 - 1 5 2 1 33.2

+ I S 2 1 35.1

0.658 0.644 0.643 0.644 0.660

(384) Burdiga la . 10.6 I 6 5 57.36 I 8.488,l +31 8 11.4 12.5 6 5 20.20 8.993n +3r 7 49.9

9 52 8 +o 47.96 9 30 43 I +o 10.80

+2.87 + 5.0 1 5 0.338 0.333 I t 2 . 8 7 -+ 5.0 15

(106) Dione.

(65) Cybele . 4.4 I 7 34 21-41

(104) K l y m e n

(306) U n i t a s 9 7 31.22 9 6 33.65

I0 9 47 59 46 I4 I +o + O 21.07 9*93 8.108, + 2 7 38 19.5 8.860, + 2 7 42 46.6

0.426 +2.92 + 0.7 16 0.427 I +2.93 + 1.1 1 7

I 2 58 2 I -1 29.90 9.120 I + 1 8 Z I 20.8 0.618 I + 2 . 7 8 - 2.9 118

I I 19 9 +o 46.64 I I 19 16 I -0 38.35

9 48 4 +3 45.54 9 1 5 8 + 2 22.39 9 2 2 48 I + I 30.05

0.663 0.667 0.644

Page 2: Osservazioni di pianeti e della cometa Wolf 1898 IV

355 3 5 7 3 3 56

1898 (T.rn.Padova( da dd 1 Cf. I a app. ( l og f .d ( d app. llogp.dl Red. ad 1. app. 1 *

Mar. 1 7 19 2 2

2 2

23 23 23 26

Mag. 1 4 14 ' 5 1 5 16

14h 14m535 '3 4 46 '3 30 ' 7 14 1 7 2 0

I I 59 58 13 4 5 2 1

14 ' 3 5 ' 1 2 I 26 1 0 5 0 2 2

I I 45 58 I 0 I 5 2 2

10 59 49 1 1 2 0 2

- o"'2 8100 -0 9.79 +o 50.60 -0 5.10 +o I 1.25 +o 8.00 - 0 53.22 + o 3 0 1 - I 54.32 +o 8.24

+o 5.56 + I 9.92

+ I 34.20

- +3' 9:'3 +o 36.8 + 2 4.7 +4 23.1 +4 39.4 -0 41.3 +o 52.3 -0 19.8 + 3 59.0 + 2 '9.5 -3 52.9 + I 54.8

+ 2 1 0 . 2

5 .o I 6.4 16.10 I 6.6 7.5 6.6 10.5

I 2.6 I 2.5 13.5 10.5 I 2.6

12.2

I 3h 37"57160 13 36 44.05 '3 34 42.81 ' 3 34 41.37 ' 3 34 3.47 13 34 0 . 2 2

' 3 33 59.18 ' 3 3 ' 51.53 1 2 55 43.70 1 2 55 42.28 1 2 55 I9 1 1

1 2 55 18 I I

' 2 54 54.83

( 2 2 1 ) Eos .

8.569

8.907

8.919

9.178 9.378 8.990 9.3'5 9.258

8.8 I 6, 7.612,

8.708, 8.500

9.113,

8.452

I

- 2054* 2714 - 2 42 39.2 - 2 42 29.6 - 2 38 52.9 - 2 38 36.6 - 2 38 28.8 - 2 26 35.2 - 0 I 5 2 1 . 1

- o 1 5 32.0 - o 1 5 31.2

- o 15 56.6

0 I j 20 .1 -

- 0.8 I 8 0.8 16 0.816 0.8 I 5 0.8 I 6 0.8 I 5 0.800 0 . 8 0 2

0.800 0.799 0.798 0.799

+ 2 3 3 -19!1 + 2 . 7 7 -19.2 +z.82 -19.4 f2.82 -19.4 +2.83 -19.4 +2.83 - 1 9 4

+2.88 -19.5

t 3 . 0 2 -18.5 +3.01 -18.5 -1-3.01 -18.5 +3.01 -18.4

+2.83 -19.4

+3.03 -18.5

2 5 26 2 7 28 2 7

2 7

31 32 34 35 37 38 37

39 Mar. 19 I I I 38 58 I +o 2.48 14.6 1 I I 13 41.76 0.680 I +2.98 -16.7 + 1 2 28 1 1 . 7

(241) G e r m a n i a .

-0 51.3 1 2 1 7 36.06 I 8.552 I - 1 0 2 5 55.5 0.862 + I 21.9 I 16265 I 1 2 I 6 53.88 9.14Ia -10 2 1 43.5 10.859

4 2 . 8 8 - 18.9 40 +-2.88 -19.0 41

Mar. 2 2 1 2 35

(347) Pa r i ana .

6.6 I 1 1 49 15.98 I 8 . 5 ~ 5 ~

(82) Alkmene .

7.4 I 73 36 '9.25 I 9.255

(3 4 5) T e r c i d i n a.

Mar. 23 I I I 26 55 I - I 35.20 + I 3.7

+o 34.3

+ a 2 . 1

+4 6.2 -0 38.0 + 2 33.4 + 2 8.0

+o 12.4 -6 41.2 -0 23.5 + 2 28.5 + 2 4.5 + 2 38.0 +o 49.5 --I 25.6 +o 37.6 + O 19.3

+24 3 18.0 +3.16 - 1 7 . 2

0.853 I +3.00 -19.3

0.504 42

43 - 9 35 5.3

8.946 8 4 8 4 8.864, 9.120 9.192

8.538 8.947 8.852 9,038 9.221 9.300 9.45 5 8.81 I, 8.438, 8.892,

8.883 8.799 8.915 8.596, 8.649

Mag. 14 16 24 3'

Giug. I 2

+o 14.80 + I 57.65 -0 49.50 - I 46.05 +3 8.35

I 0.5 5.3 I 0.5 6.6 6.6

1 7 28 23.41 1 7 26 58.97 ' 7 2 0 32.71 1 7 13 57.90 1 7 2 6.50

-13 24 2.6 -13 I2 5.5 - 1 2 26 4.2 - 1 1 48 1 1 . 7

- 1 0 54 40.2

0.87 5 0.875 0.872

0.866 0.860

0.90 I

0.902 0.904 0.90 2

0.898 0.894 0.8 7 7 0.907 0.908 0.908

+3.48 - 7.6 +3.51 - 7.8 +3.67 - 7 . 7 4 3 . 7 8 - 1.7 +3.91 - 7 . 1

45 46 47 48 49

(42) Is is .

1 7 1 1 38.65

16 58 40.68 1 7 4 57.03

16 58 39.72 16 53 14.9' 16 53 14.12 16 52 6.95 16 43 57.70 16 43 56.89 16 39 14.27

(7) I r i s .

'5 55 38.24 '5 49 50.48 '5 49 49.38 ' 5 44 33.08 7 5 44 31.60

Mag. 24 3'

Giug. 6 6

I 1 I 1

I 2

2 0

2 0

25

'3 ' 9 9 13 1 2 6 1 2 34 8 1 2 54 4 1 2 59 54 13 18 38 14 5 38 10 '3 55 10 33 26 1 1 3 I

+ 3 55.55 -3 59.07 +o 52.16 + I 48.51 +o 46.06 + I 16.11 -1-2 17.51 -+-O 57.30 + I 42.52 - 2 8 .77

5 . 5 5 .5 6.6 6.6 6.6 6.6 5.5 6.6 6.6 6.6

+3.84 - 8.1 +3.97 - 7.8 +4.06 - 8.7 +4.06 - 8.8

+4.12 - 9.2 +-4.13 - 9.4 +4.18 -10.0

+4.18 - 1 0 . 1

+4.22 - 1 0 . 2

+4.13 - 9.2

-19 2 5 31.5 -19 5 ' 33.6 - 2 0 1 5 6.9 -20 I 5 11.1

- 2 0 35 4 4 3 - 2 0 35 48.0 - 2 0 40 7.1 - 2 1 I 3 24.8 - 2 1 I3 27.3 - 2 1 35 2 2 . 2

50

51 5 2

53 54 5 5 56 57 58 59

Mag. 31 Giug. 6

6 I 2

I 2

11 55 50 11 2 0 38 11 47 0

9 59 26 10 42 26

- 5 1.82 - 2 1 2 . 1 1

-4 32.65 - 2 5 3 4 4 -6 12.56

-0 39.7 +4 51.1 +9 46.2 - 2 55.9 + I 0.4

6.6 6.6 5.5 6.6 5.5

- 2 2 38 9.3 - 2 2 10 26.3 - 2 2 I 0 21 .5

-21 43 8.7 - 2 1 42 58.2

0.91 I 0.910 0,909 0.909 0.909

+3.96 -13.7

+3.98 -14.2

+3.98 -14.6

t-3.97 -14.5

4-3.97 -14.8

60 61 62

63 64

Page 3: Osservazioni di pianeti e della cometa Wolf 1898 IV

3 5 7 3 5 7 3 358

14.7 17~21~29!75 14.7 1 7 2 0 41.33 16.5 1 7 1 4 10.96 14.6 1 7 10 17.41 3 .3 ' 7 10 16.61

1898 /T.m.Padova( da 1 dd 1 Cf. I aapp . ilogp.di d app. 110gp.dl Red. adLapp. 1 *

8.036, 8.522, 8.926 9.012 9.131

14.5 18 45 18.89

14.5 18 43 0 .02

14.6 18 39 59.05

16.1 18 43 4650

Giug. I I

I 2 2 0

25

2 5

9.309

9.073 9.272

8.955

8.542, 9.046, 8.734n 8,051n

9.182, 8.868, 8.065, 9.490 8 . 8 1 3 ~

8.185 9.163

9.091,

8.409,

+ 5 46 12.3

+ 5 37 2 0 . 2

+ 5 37 11.4

+ 5 37 3.6 + 5 2 8 15.6 + 5 19 13.8 + 5 18 58.6 + 5 18 44.3 + 5 8 15.1 + 5 o 21.0

+ 5 o 9.6 + 4 51 30.2

+ 5 O 18.6

+ 1 ~ 1 7Fo8 +o 28.65 -0 22.30 +o '4.37 - - I 35.23

+4' 481'0 4-3 50.7 + I 45.8 -0 23.7 - I 33.6

-3 6 8 - 2 42.6 - 2 11 .2

+ Z 3 4 6

- 4 24 .1

+ I 0.3 -0 53.4 -3 21.3 +o 11.8 -0 30.9 + 2 12.1

--I 38.6 + I 35.6 - 1 35.3 + 3 14.0 + I 32.9

- 2 4 O 0' 9!'3 - 2 4 I 6.6 - 2 4 8 2 1 . 5 - 2 4 I 2 12.9 - 2 4 I 2 13.9

0.9 1 7 0.916 0.9 I 6 0.9 I4 0.9 I I

+ 4 b 6 - 61'6 +4.27 - 6.6 +4.35 - 7.2 +4.38 - 7 - 1 t4.38 - 7.8

65 65

67 66

68

Lugl. I 5 1 7 18 22

' 3 5 14 11 52 6 1 1 5 2 32 1 2 2 2 13

-0 14.51 4-0 3.90 -0 42.58 -0 30.30

0.854 0.86 I

0.86 I 0.860

+ 4 . 2 7 + 3.6 +4.28 + 3.6 ~ 4 . 2 8 + 3.6 4-4.30 + 3.6

69 70 7 0 7 1

- 10 24 13.7 -10 2 2 59 7 - 1 0 22 28.3 - 1 0 2 1 9.4

Lugl. I '1 18 18 18 2 2

2 2

2 2

Agos. 6 6 7 7

13

14 10 40 9 56 3 10 30 2 1

1 1 4 5 7

9 58 1 1 10 15 8 1 0 49 34 10 56 31 1 1 24 45 I 1 9 20 I I 36 2 7

1 0 47 45

2 1 0 3407 Z I o 11.37

2 1 o 10.13 2 0 58 8.56 2 0 58 8.06 2 0 58 7.31 2 0 48 49.56 2 0 48 48.82 2 0 48 1 1 . 2 2

20 48 10.30 2.0 44 33.74

2 1 0 1 1 . 1 I

0,437 0,564 0 , 5 2 4 0.492 0.537 0.518 0.483 0.6 I 3 0.423 0.435 0 . 4 2 2

0.443

+3.64 +10.4 t 3 . 6 6 i-10.6 +3.65 +1o.8 +3.65 +1o.8 i-3.71 + I 1.8 4-3.71 +11.8

i-3.84 4-15.9 t 3 . 7 1 i-11.9

t 3 . 8 2 -1-15.8 +3.85 +16.1 +3.85 +16.2 +3.86 -1-17.6

+ 3 1 1 . 2 0

+ z 48.48 -3 1.58 -0 2 4 . 5 7 +o 44.60 + I 2.62 - I 52.83

+ I 36.42 - 2 12.64

-I 14.08

-3 19.67

- 2 37.64

5.5 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6 6.6

7 2

7 2 13 74 15 76 1 7 18 79 80 81 82

(409) [I895 CEI. 6.6 1 2 0 31 1 . 4 6 , 9 . 2 1 2 , - o 54 11.4

10.6 20 27 51.95 9.21 I - I 9 40.2 6.6 2 0 28 38.29 9.170 - I 5 27.5

(57 ) M n e m o s y n e .

Agos. I 2

'5 16

1 2 40 8 1 2 74 39 1 2 18 38

-0 55.55 -0 44.83 -0 14.60

- 2 8.5 -4 ' 7 . 1

-0 49.7

-3 8.9 +o 39.9 -0 27.2

+3 11.6 -0 48.0 + 2 14.0 - 0 36.1 +o 14.3 + 5 16.9 -0 55.8 + I 2 2 . 8

-1-2 16.8 - 1 42.3

+o 26.0 -4 52.1

- 2 52.8 + I 45.7

4-0 25.3

0.803 0.805 0.805

+4.26 +16.0 + 4 . 2 7 t-16.1 + 4 . 2 7 C r 6 . 1

84 85 86

Sett. 16 1 7 1 7 ' 7 18 '9 '9 '9 2 0

21 2 1

2 1

2 2

Sett. I 7 I 8 '9 2 1

2 2

10 5 0 o 1 0 2 5 1 10 32 4 1 10 58 29 9 50 29 9 30 7 K O 14 56 10 49 14 14 1 30 10 1 0 42 10 32 30 1 0 54 5' 9 2 0 24

1 2 39 '5 10 24 44 11 32 6 1 1 40 1 7

10 29 5 1

-0 38.68 - I 58.13 + Z 16.74 +o 17.11

+ 4 0.14 -0 2 0 . 7 2

+ 2 58.35 + 3 '2.39 + I 6.29 1.2 27.71 - 1 47.77 -1 41.76 - 2 11.41

+o 44.59 +o 1.30 +o 10.50

+o 29.58 + I 34.74

8.8 7 . 7 7.7 7.7 6.6

12.6 6.6 6 6 6.6 6.6 6.6 6.6 6.6

2 2 5 2 42.68 2 2 5 2 6.18 2 2 5 2 5.89 2 2 52 5.14 22 5 1 29.60 2 2 50 53.61 2 2 5 0 52.62 2 2 50 51.61 2 2 50 10.64 2 2 49 41.23 2 2 49 40.80 2 2 49 40.29 2 2 49 7.79

(317) Roxan 2 2 5 1 16.00 2 2 50 32.71 2 2 49 44.61 2 2 48 15.31 2 2 47 34.80

0.74s 0.7 5 3 0 . 7 5 C

0 .750 0.7 5 4 0.759 0.754 0.153 0.76 I 0.156 0.157 0.766 0.760

0.848 0.852 3.852 0.85 2

0.854

+4.39 +27.6 +4.39 + 2 1 . 7 +4.38 +27.6 4-4-39 + 2 7 * 7 +4.38 i-27.6 +4.39 -1-27.8 +4.38 -1-27.7 t 4 . 3 8 t-27.7 c 4 . 3 9 + 2 7 . 7

+4-39 +27.9 +4.39 +21*9 +4.40 +28.0

4-4.38 +27.9

87

89 88

90 91 92 93 94 95 96 91 98 00

12.6 16.6 I 2.6 12.6 6.6

- a 2 1 1.8 - 8 26 2 0 . 0

- 8 32 18.5 - 8 43 18.8 - 8 48 18.4

~ 4 . 5 4 -1-26.9 t 4 . 5 4 +26.6 +4.56 -1-26.6 t 4 . 5 4 +26.4 t4.54 +26.3

23*

9.23' 8.7 99r 8.882 9.00 I 8.292

Page 4: Osservazioni di pianeti e della cometa Wolf 1898 IV

359 3573 360

7 . 7 0 5 7 34.87 6.6 o 5 5 5 7 . 0 7 12.6 o 5 5 6.49 6.6 o 28 26.47 5.5 o 29 2 5 . 5 8

1898 1T.rn.Padoval da I dd I cf. 1 a app. 1logp.d I d app. Ilogp.dl Red. ad 1. app. I *

8.050n 8.166 9.039 9.493 9.518

(37) F i d e s .

o 5 1 16.75 0 39 15.03 o 39 14.06 o 26 21.24 o 26 20.03 o 26 19.09 o 2 5 35.02 0 23 29.10 o 23 28.45

oh 5 3m39s39 Sett. 18 2 1

Ott. 5 5

2 0

2 0

2 0

2 1

24 24

-Im19?71 + 2 53.32 -0 38.38 -3 37.30 +3 44.4' -3 58.38 -0 41.51 -0 21.87

-2 1 5 . 0 7

+ 2 42.71

- 3' 14Io + o 26.2 - 2 26.0 + 2 8.3 - o 16.9 - 5 18.0 + 3 40.5 + I 1 1 . 7

+ 6 38.5 + 5 8.5

7.7 6.6 10.5 6.6 6.6 6.6 10.5 5.2

5 . 5 5 .5

8.854, 9.282 8.121, 8.486 9.533 9.572 9.598 9.585 9.580 9.596

+ 5'36'28I1 + 5 26 52.0

+ 4 35 27.4 + 4 35 26.4 + 3 39 '5.7 + 3 39 10.1

+ 3 39 5.8 + 3 35 58.7 + 3 27 '4.9 + 3 2 7 13.6

0.7 5 1

0.7 5 8 0.760 0.759 0.780 0.780 0.788 0.786

0.788 0.785

0.809 0.8 I I

0.8 I 2

0.820 0.8 I 8

0.568

+4544 +28:'5 +4.47 +28.9 +4.59 t 2 9 . 8 +4.59 +29.8 +4.59 t 3 0 . 2 + 4.6 I .+ 30.2 +4.60 +30.2 +4.60 +30.1 +4.58 t 3 0 . 1 t 4 . 5 9 +30.1

' 0 5 r06 ' 0 7 108

109 110

I l l

112

"3 1 '4

"5 I 16 1 1 7 I 18 1'9

120

Sett. 1 8 2 0

2 1

Ott. 2 2

2 2

1 2 59 41 ' 3 4 28 '3 52 39 I 3 35 40 '3 53 18

- - I 10.60 + I 30.1 3

-0 55.42 -0 57.03

+ O 9.09

- 5 2 0 . 7

- 2 29.4

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Page 5: Osservazioni di pianeti e della cometa Wolf 1898 IV

361 3573 36 2

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Page 6: Osservazioni di pianeti e della cometa Wolf 1898 IV

363 35 73 364

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Page 7: Osservazioni di pianeti e della cometa Wolf 1898 IV

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4- 5 33 24.3 t 5 28 36.0 t 5 16 32.0 4- 5 ' 9 7 . 0 t 5 I8 2.3 i- 5 2 30.5 t 5 0 55.1 t 4 58 21.9

AutoritB

Cinc. Zones 28 I 9 %(Awe. 1303 +WZ. 254) Rad, 4427 Cinc. Zones 2 790 Millosevich- Peyra I 658 Millosevich - Peyra I 654 'h (Awe. I 2842 + Ci0c.Z.

%(Awe. 12831 +Cinc.Z.

Awe. 12820

'/a(AWe.~2z85+WZ.252) B. A. J. 1898 'I2 (Yar. 6654 + Cinc. Z.

'1, (WZ. 256 + Cinc. Z.

Cord. GC. 2 36 I 4 Cord. ZC. 17h8g5 Cord. ZC. 17?565 Cord. GC. 23419, Cord.

2766)

2761)

A . N. 2054

2269)

2676)

zc. 17h713 Ml 17664 '12 (Mi 17544 + M, 7870) '/, (Sa, 2057 + M, 17342) 4G. Cambr. 12013 4G. Cambr. I 2 I 5 2

4G. Cambr. 12087 4G. Cambr. 12014 4G. Cambr. 12010 9G. Cambr. I 2077 4G. Cambr. I I 926 4G. Cambr. I 1843 4G. Cambr. I I 900 PG. Cambr. 11905 4G. Cambr. I I 8 I 6 /2 (Glasg, 5419 + M,

28005)

25261) I 2 (Giitt, 5708-9 + MI /s (Glasg, 5 167 + Gbtt,

X t , 5686-7 jchj. 9425 21. 44936 3essel Z. 25

(Bess. Z. 2 5 + Schj. 94 I 0) /Z (W, 2 2 h9 4 2 + Sc hj. 9 3 7 5) \G. Albany 7920 IG. Albany 7909 IG. Albany 7907 IG. Albany 7 9 I 4 IG. Albany 7905 I. N. No. 2394

5692-3 + MI 25083)

Page 8: Osservazioni di pianeti e della cometa Wolf 1898 IV

367 35 73 368

a 1898.0

~ 2 ~ 5 1~23P66 2 2 55 52.39 2 2 5 1 14.80 2 2 5 0 26.87 2 2 49 29.61 2 2 47 41.19 2 2 45 55.52

o 48 18.96

o 39 48.82

0 54 5466

0 42 4677 0 2 2 32.24 o 30 13.80 o 26 56.00 o 2 5 52.29 o 2 0 41.81

o 58 41.07

0 54 22.51

o 29 17.29 o 29 18.01

0 25 38.93

0 54 52.96

23 46 13.44 23 49 41.78

I I 19.27 I I 24.27 o 5 0 2 . 1 5

0 45 46.90 O 53 1.95 0 35 3.30 0 39 29.87 o 32 47.28 o 3 2 5.60 o 32 18.60 o 56 31.88 0 45 20.94 o 46 36.27 0 35 45.11 0 28 50.02

0 35 36.96 o 15 23.28 o 8 51.08 0 8 29.43 0 1 47.52 0 3 44.36

23 59 23.74 0 7 46.35 o 6 0.69 O 5 4.53

13 '9 32.43 23 I 19.70 22 59 10.91

0 0 1.49

23 3 3935

d 1898.0

+ 5" I ' 24!0 + 5 1 51.4 + 4 48 45.4 - 8 2 1 54.5 - 8 33 10.4

- 8 50 30.4 - 8 40 52.4

+ 5 39 13.6 + 5 2 5 56.9

+ 4 37 23.6 i- 4 32 48-3 + 3 39 2.4 + 3 43 57.9 + 3 34 55.' + 3 34 16.9 + 3 2 1 36.3 + 3 2 0 5.0 - 1 35 44.9

- I 5 2 38.2 2 4 32.9

- 5 6 33.2 - 5 6 19.8 +26 1 7 24.7 +26 14 29.8 + 7 48 54.5 + 7 45 ',I + 6 18 3.5 + 6 zo 38.8 + 6 1 7 34.6 + 4 4 3 '4.2 + 4 43 16.4 + 4 34 1.0 + 4 28 1 2 . 2

+ 4 26 47.2 - 4 8 58.5 - 5 5 2 1 1 . 1

- 6 7 5 7 . 2 - 7 40 30.2 - 1 39 26.4 - 7 41 23,6 + 9 44 24.7 + 6 18 41.3 + 6 2 2 2 2 . 2

-I- 6 19 43.8 + 2 2 2 37.8 + 2 26 21.5 + 2 2 2 10.2 + 2 2 2 56.9 + 2 5 23.4 + 2 2 26.6 + 7 16 0.6 + 4 52 59.5 + 4 48 1 2 . 0

+ 4 47 7.4

-

AutoritA

Riferita a 99 AG. Albany 7942 AG. Albany 792 I AG. Ottak. Z. 178, 203 AG. Ottak. Z. 1 8 1 , 203 AG. Ottak. Z. I 8 I AG. Ottak. Z. 174, 186 'I2 ( W, oh9 2 o + A . N. 2 o 7 4) ' I3 (Sa, 49 + A. N. 1637

+ Pars 1131) AG. Albany 181 AG. Albany 2 0 0

AG. Albany 84 AG. Albany I 19 AG. Albany 103 AG. Albany 93 AG. Albany 76 AG. Albany 92 'Is (BB.VI - 10137 + M,

' / a (W, oh908 + Sa, 84) W, oh921 Karlsruhe 7 oss. W, oh461 Riferita a +t I 21

AG. Cambr. 14342 %(Glasgl 270+Par2r428) BB.VI +7?168 'il (Glasg, 2 3 6 +Par, I I 6 7) 'h (Par2 I 06 I +Goth 265) ' i z (Glasg, 249+Glasga77) AG. Albany 145 AG. Albany 176 AG. Albany 135 AG. Albany I 3 2

AG. Albany 129 Schj. 350 Karlsruhe 7 oss. AG. Ottak. Z. 206 AG. Ottak. 2. 2 0 2

AG. Ottak. Z. 206 AG. Ottak. 2. 206 BB. VI + 903 I Par, 163 wi oh97 'I2 (W, oh89 + Gdtt, 36) Riferita a * 143 AG. Albany 8249 AG. Albany 8240 AG. Albany 2 7 AG. Albany 24 RB.VI + 109

AG. Albany 7 9 7 3 AG. Albany 7962 AG. Albany 7987

556 + M2 3'9)

Wl 234349

a 1898.0

22h59m48?66 3 3 54.19

3 2 22.35 3 0 7.39

3 0 28.88

2 43 6.37

-2 36 5.9' 2 37 9.51 2 33 39.81 3 44 3.63

3 45 46.55

2 45 13.61 2 43 42.12

z 40 15.00

3 41 19.08

3 41 6.30 3 2 1 36.40 3 29 9.27 3 I 1 55.41 3 18 47.06 3 2 0 57.14 3 14 17.19 3 I 4 31.32 3 9 0 . 1 2

2 5 7 10.03 3 0 57.83 2 5 1 19.15 3 41 43.22 3 35 39.93 3 35 8.02 3 3 57.14 3 2 40.28

3 I 50.54

4 44 56.88 4 48 5.30 4 45 36.24 4 43 53.88

4 38 51.85 4 37 12.46

4 31 26.35

4 44 46.67

3 36 1 8 . 7 5

5 19 '5.39 5 2 0 3.82 5 6 28.05 5 4 50.40 5 8 49.84 4 59 27.24 5 2 56.88 6 24 44.39

d 1898.0

+ 4O38'48!0 +35 6 15.6

+35 4 3.9 +35 3 3.4

+35 4 45.5 +34 38 25.2

4-34 9 33.7 +34 5 6 . 8 +34 7 16.5 +33 5 ' 27.3 +33 44 21.7 +33 30 35.2 - 1 2 2 2 I 7 , 8 - 1 2 2 5 17.0

- 1 2 I8 18.7 - 1 2 16 30.0 - 9 23 49.8 - 9 26 5 5 . 0 - 7 26 14.2 - 7 34 2 . 7 - 7 28 47.0 - 6 38 21.8 - 6 38 10.0

+ I 7 38 54.1 + I 7 9 50.9 + I 7 4 56.5 + I 6 49 42.3 +39 4 24.5 t 3 9 7 12.6 +39 5 4.4 + 2 5 2 1.5

+ a 5 1 2 5.7

+ 2 5 9 43.8

+16 2 8 . 2

+ I 5 45 58.2 + I 5 42 25.3 + I 5 43 34.3 + I 5 33 13.6 + I 4 26 13.9 t 1 4 37 12.6

+14 11 11.0

+ = 4 7 52.5

+ I S 16 7.8 + I S 21 46.4 + 1 5 4 32.6 +15 9 11 .2

t 1 5 5 26.3 + I 5 5 56.5 + I S 6 6.0 + I 9 35 25.8

Autorith

AG. Albany 7967 AG. Lund Z. 75, 79, XV,

AG. Lund Z. 75 , 79, XV AG.LundZ. 68,508,559,

XV, Leiden Z. 402 AG. Lund Z. I 10, 129 AG. Leiden Z. 239, 334 AG. Leiden Z. 2 5 1 , 329 AG. Leiden 2. 239, 333 BB. V I +330506 AG. Leiden Z. 257 ,325 AG. Leiden Z. 257,325 AG. Leiden Z. 260, 337

Rad, 883 m. p. '/z (Par,4528+Schj.1 186) Rad, 1 7 0 Bessel Z. 2 6 7 Bessel Z. 267

'/,(Wl3?287+Schj.991)

AG. Ottakr. Z. 5, 91 AG. Ottakr. Z. 5 , 91 AG. Berlin A. 865 AG. Berlin A. 8 I 5 AG. Berlin A. 825 AG. Berlin A. 789 AG. Lund Z. I 13, 125

AG. Lund Z. 381,390 AG. Lund Z. 96, 111

AG. Cambr. 1591 '12 (AG. Cambr. 1584 +

AG. Berlin B. 9 I 4) 'I2 (AG. Cambr. I 5 78 +

AG. Berlin B. 909) AG. Berlin A. I 32 5 AG. Berlin A. 1339 m.p. AG. Berlin A. 1328 AG. Berlin A. I 3 I 8 m. p. AG. Berlin A. 1324 Glasg, 1149 '/* (Glasg, I 141 + Glasg,

BB.VI +14?727 'I2 (W, 4h733 + Kam

Verz. II 63) AG. Berlin A. I 5 I I AG. Berlin A. I 5 I 6 AG. Berlin A. I425 AG. Berlin A. I 4 I 6 AG. Berlin A. 1434 AG. Berlin A. 1388 AG. Berlin A. 1405 Riferita a 2 0 2

Leid. 2. 353, 341

w, 3h813

w, 3h272

w, 3h329

409)

Page 9: Osservazioni di pianeti e della cometa Wolf 1898 IV

369 ~~

Autoritk

AG. Berlin A. 2235 m. p. AG. Berlin A. 2078 AG. Berlin A. 2055 AG. Berlin A. 2032

AG. Berlin A. 2003 AG. Berlin A. I 9 7 8

AG. Cambr. 2075

AG. Cambr. 2059 AG. Cambr. 2049 AG. Cambr. 2044

AG. Berlin A. 2 0 2 2

AG.Berlin A. 1977 m. p. AG Cambr. 2100

AG. Cambr. 2074

3574

*

216 2 1 7 2 1 8

219

~

2 2 0

2 2 I 2 2 2

223 224 2 2 5 226 2 2 7 2 2 8

229

3 7 0

+18?22 + 1 8 . 8 1 +18.92 + 18.90 t 1 8 . 9 4 t I 9 . 0 3 t 1 8 . 8 4 t 1 8 . 9 2

+18.32 t 1 8 . 9 4

- 65% - 66.9

- 7 1.2

- 75.2

- 76.4 - 76.6

- 79.9

- 70.4

- 75.2

- 75.6

- 7S06 - 6.47 - 6.32 - 6.11 - 6.66 - 6.14

- 51'1 - 8.4 -12.3 -14.1 - 5.6 -13.1 +3.26

+3.08 +2.98

+3,04 +3.20 +3.1 I

+ 2.94 + 2 . 8 1 +2.79 +2.40 +2.62 +2.76 + 2 . 8 7

- - 18.6 - 24.3 -22.6 -24.2 -25.6 -22.6 - 2 0 . 7

- '9.4 - 18.0 -17.1 -15.4 - '9.3

-29.78 - 29.7 I -29.64 --z9.40

f 1 O . O

f 1 0 . 2

+ 9.5 + 1.8

Giug. I I

1 2

2 0

2 5

2 5

+13,47 - 45.2

+13.57 - 49.3 +'3.30 - 49.5 +13.20 - 49.7

+I3.49 - 44.0

Gen. 19 - 1.66 2 0 - 1.72

2 1 - 1.75 24 - 1.87

+ I O . ~

+ 10.1

+ 10.2

+1r .6

t 1 8 . 9 6 +18.93 +19.17 +19.14

+102.6 +101.5

+ I O I . Z

+ 99.6

Mag. 14 16 24 31

Giug. 1 2

-0.09 + 3.2 +o.14 + 1.3 -0.37 + 2 . 5

-0.56 + 3.8 -0.01 + 1.6

. - a 1898.0 6 1898.0

~

d 1898.0 a 1898.0 AutoritA

6h28"38S03 6 14 34.82 6 12 31.00 6 10 15.22

6 8 3.66 6 6 1 . 2 0

6 5 58.86 4 2 5 35.57 4 19 0.01

4 18 57.41 4 16 22.40 4 14 '7.75 4 13 47.48

6 9 27.40

19" 30' 2 7; 7 + I 9 43 17.8 + I 9 36 39-7 +19 38 6.6 + I 9 33 14.0 + I 9 39 5.6 + I 9 32 23.9 + I 9 48 47.7 + 2 5 39 58.3 + 2 5 34 44.7 +25 30 5 2 . 5

+ 2 5 23 19.3 + 2 5 34 54.3 + 2 5 34 59.5

4h 33m33503 4 29 32.29 4 37 39.9' 4 31 10.37 4 43 40.58 4 36 38.42 4 30 '3.54 4 30 10.64 4 29 52.45 4 33 35.34 5 2 1 26.40 5 15 57.70 5 '3 27.54 6 '7 55.43

+ 2 I " 49' 441'6 + 2 1 48 35.7 +21 37 15.6 + 2 1 49 10.7 + 2 1 46 16.3 + 2 1 29 43.4

+ 2 1 19 40.2 + 2 1 15 26.7

+2I 28 52.3

+ 2 1 I 8 59.8 +26 3 3.7 + 2 6 5 3-5 +26 9 8.8 + 7 33 5 - 5

Riferita a JC 2 1 7 AG. Berlin B. 1468 BR. V I +21?691 Riferita a JC 2 2 0

AG. Berlin B. 1534 BB.VI +21?687 AG. Berlin B. 147 I AG. Berlin B. 1470 AG. Berlin B. 1469 AG. Berlin B. 1482 AG. Cambr. 2468 Riferita a JC 228 AG. Cambr. 2409 w, 6h454

C o n f r o n t 0 d e l l e o s s e r v a z i o n i c o l l e e f f e m e r i d i (0 - C).

(29) A m p h i t r i t e . I 897-98

Dic. 23 Gen. 14

'9 2 0

2 1

2 2

I 898 Gen. r 9

2 0

2 1

24

Febb. I I

I 8 I 2

Mag. 24 31

Giug. 6 6

I T

I 1

I 2

2 0

2 0

2 5

Mar. 1 7 '9 2 2

2 2

23 23 23 26

Mag. 14 '4 I 5 I 5 16

Lugl. 1 5

1 7 I 8 2 2

(313) Cha ldaea . [B. A. J. I~OO].

LUgl. 241 + 0.57 I - 1.3

171 t 2 7 . 1 7 1 + 59.3

(57) Mnemosyne. [Eff. Neugebauer].

Sett. 16 +27.29 + 63.3

1 7 t 2 7 . 6 8 + 61.8 24

Page 10: Osservazioni di pianeti e della cometa Wolf 1898 IV

3 7 '

Ott. 26 + 1S78 Nov. 8 + 1.73

8 + 1.59 1 2 + 1.80 '

35 74

+ 8!'5 + 9.2 + 8.0 + 10.9

372

Nov. 1 2 - 3.14

I2 - 3.13 r 5 -3.13 1 5 - 3.19

I2 - 2.98

I 898

Sett. 1 7 1 8

'9 '9 19 20

21

21

21

2 2 + 32.5

+ 32.7 +34.6 + 36.6

t 31.3

ACr

Sett. 18 - 5 7 . 1 3 2 1 -57.64

Ott. 5 - 58.81 5 - 58.8 j

2 0 -56.66 20 -56.73 2 0 -56.60 2 I -56.30 24 -54.89 24 -54.97

+27?62 +27.42 +27.50

+27.68

+ 27.60 +27.60

1-27.78 +27.65

+27.56

+27.73

-410.3 -415.7 -433 4 -430.1 -424.1 -425.0 -424.6 -418.7 -420.8 -420.0

Ad

Dic. 5 -18.11 16 -18.41 2 1 -18.19 22 -18.32 22 - 18.33 23 -18.23 23 -18.28 23 -18.37

+ 6375 + 59.' + 61.6 + 63.6 + 62.5 + 62.2 + 61.5 + 61.6 + 61.2 + 63.2

+ 8.3

+ 0 . 4 - 2.8 + 0.4

+ 0.5 - 2.3

- 1.1

- 0.2 Sett. 18 + 0.87

2 0 - 0.09 2 1 + 0.62

Ott. 2 2 + 0.88 22 + 0.67

+ 7.5 + 2.2

+ 1.5 - 0.7 - 3.6

(7 I)' N iobe. [Eff. Neugebauer].

Sett. 18 I - 8.05 I - 7 6 . 7

Dic. 8 -26.48 I I -25.80

1 5 -25.64 1 5 -25.54 16 -25.58 16 - 2 5 5 0

1 7 -25.31

' 5 -25.37

1 7 -25.18

(19) F o r t u n a . [R. A. J. 19oo].

- 144.8 -146.6

-148.8 - 147.2 -149.7 -148.4 -151.4

-149.3

-150.3 Sett. 19

20

Ott. 5 5 5

20

2 0

Ott. 26 +6.11 26 + 5 . 5 1 26 +5.90 26 +~.84

Nov. 8 +6.10

1 5 +6.32 8 +6.05

1 5 +6.07

18 +5.68

1 5 +6.14 18 +5.68

+ 5.98

+ 6.94

+ 5.91 + 6.81

+ 6.87 + 7.43 + 7.49

+80.3 +80.9 +77.9 + 7 7.2 +75.8 + 7 5.4 +67.0 +7I.4 + 13.1 t73.1 +73.2

+ 36.6 + 39.1 + 43.9 + 42.9 + 42.4 + 46.2 + 46.1

Tutte queste osservazioni furono fatte in campo oscuro con micrometro a larghe lamine e con ingrandimento 90.

Le posizioni delle stelle furono sempre ridotte a mezzo delle costanti di Struve.

La stella 132 oltre che in Schjellerup si t row anche

Ott. 22

2 3 23

2 2

nelle zone di Bessel che danno colla posizione indicata la differenza

W, oh952 - Schj. 350 = +0?75 -0!9 Supponendo in questa stella un mot0 proprio nel

senso indicato da questa differenza, la posizione che si

Sett. 2 0

5 Ott. 5

21

2 1

2 2

23 24

(28) Bel lona .

[Eff. Neugebauer].

-4.3' -4.02 -4.15 -4.12 - 3.86 -3 98

- 3.96 - 3.8 2

-21.7

-23.2 - 20.4 -19.2 - 18.4 - I 8.2 -17.3 -17-9

Ott. 23 24 24 26 26

Nov. 8 I 2

I 2 I 2

' 5 '5 I 8

(84) Kl io .

[Eff. Neugebauer].

-3.12 -3.15 - 3.29 -2.73 -2.65 - 3.03 -2.59 - 2.6 I - 3.03 -2.70

- 2.68 -2.68

- 8.0 - 10.0 - 8.9 - 7.0

-11.4 - 1 1 . 1

- 9.7 - 9.7 - 4.9 - 9.8 - 6.5 - 1 0 . 5

(164) E v a .

Page 11: Osservazioni di pianeti e della cometa Wolf 1898 IV

373 3574 374

potrebbe dedurne renderebbe gli 0 - C del pianeta (28) Bellona pih concordanti fra loro.

w, 3h341 - w, 3h337 = -31 3715 W, 39490 - W, 3h497 = +5 10.3

Cod, per la stella 139, la differenza

W, oh104 - Par, 163 = -1-0147 -11'4

pub giustificare il disaccordo fra le posizioni del pianeta (219) Thusnelda del giorno 5 Ottobre.

La declinazione della stella 169 esige nelle zone di Bessel una correzione di +3' che non ho potuto trovare in nessuna raccolta di correzioni. Per accertarla h o preso coll' equatoriale le differenze di declinazione fra la stella W, 3h341 che 6 la 168 e la W, 3h3-37 che 6 pure la Schj. 1012 e fra la W, 3h490 che 6 la 169 e la W, 31497.

Ad I Vgl.

+7'48!8 I 1 . 1 1

- 7 56.5 22.8 + z 17.6 2 1 . 7

- 2 16.8 2 1 . 7

-0 41.2 24.8 - I 30.6 24.8 + I 4.1 2 1 . 1 1

+ 2 14.0 24.12 -3 18.6 20.10

mentre dalle zone di Bessel, dopo aver corretta di 3' la w, 3h490 si ha a1 1898.0

W, 3h341 - W, 3h337 = -3' 3718 w, 3h490 - w, 33497 = 4-5 10 .2

La sera del 24 Luglio, in cui ho cercato il pianeta (313) Chaldaea, non ho trovato nel cielo la stella BD.

Le effemeridi indicate Neugebauer furono gentilmente comunicate per lettera a questo osservatorio dal prof. R. Luther; quella del pianeta (363) non & pubblicata, ma fu da me calcolata ed ha servito per estrarre la effemeride approssimata delle Veroffentlichungen des Kgl. A. Rechen-

- 3 9 1 5 9 (9.3).*)

a app. I 1ogp.d I d app.

23h31"~9857 9.666, + 3 z 0 0' 371'9 23 2 0 18.09 9.680, +34 38 38.7 2 2 44 0.60 9 . 7 ~ 5 ~ +42 2 10.0

2 2 43 53.28 9 7 ~ 2 ~ , +42 3 27.9 2 2 35 37.70 9.606, +43 2 7 39.3 2 2 35 37.69 9.606, +43 2 7 39.4 2 2 2 5 18.01 9.587, +45 5 6.4

18 52 37.16 9.84jn + 5 7 18 4.7 2 2 25 7.78 9.628, +45 6 39.'

I Instituts di Berlin0 No. 6. -

Dall' osservazione ho trovato

Padova, 2 7 Marzo 1899. A. Antoninmi.

*) Vgl. die Notiz in A. N. 3567 p. 267-8. Kr.

Beobachtungen des Cometen 1899 a (Swift) a m ~ o ~ / ~ z o l l . R e f r a c t o r d e r k. S t e r n w a r t e i n M i i n c h e n v o n Dr. W. Villigev.

I

2

3 4 5

1899 I M.Z.Miinch.

~ 3 ~ 3 1 ~ 8'98 +31~52'49: '2 AG. Leiden Z. I 18, 1 2 2

23 19 19.90 +34 46 36.0 AG. Leiden 2. 126, 1 2 7

2 2 43 15.09 +41 59 55.4 AG.Bonn 1 7 1 1 0

2 2 45 6.37 +42 5 47.7 AG. Bonn 17143 22 37 15.85 +43 28 23.9 AG.Bonn 17016

Mai 10

' 7 1 7 18 18 I 9 '9 30

I 2

6 'I 8 9

Aa

2 ~ ~ 3 8 ~ 9501 +43"29' I3!'4

2 2 2 5 22.10 +45 4 2 9 . 1

18 5 2 1-14 +57 2 1 30.3

2 2 25 36.93 +45 4 6.3

+om 9538 +o 56.98 +o 44.03 - 1 14.57 - 1 39.67 - 2 32.83 -0 20.50

-0 15.9' 4-0 33-17

* I a 1899.0 I 6 1899.0 I Autoritat

- logp. A

0 . 7 2 2

0 .717 0.681

0.8 7 4

0.884 0.866 0.3 30

0.649

0.874

Red. ad 1. app.

+IS21 - 0 l I

+1.21 -0.8 + r.48 -3.0 +1.48 -3.0 +1.52 -3.4 +1.51 -3.4 +1.58 -4.0 +1.59 -4.0 t 2 . 8 5 -7.0

- 8 -

I

2

3 4 5 6 I 8 9

Q I a 1899.0 I d 1899.0 I Autoritat

AG. Bonn I 7029 AG. Bonn 16793 AG. Bonn 16788 AG. Hels. 10059

Bemerkungen . Mai 10. Theilweise durch leichte Wolken beobachtet. - Mai 12. Wolkig und sehr dunstig, ofters durch Wolken

beobachtet. - Mai 17. Bild sehr unruhig. - Mai 18, 19. Comet sehr verwaschen, Kern undeutlich.

Measures of the Satellite of Neptune. The following measures of the satellite of Neptune

were made with the 36inch refractor of this observatory, using an eyepiece with a power of 5 2 0 diameters. Each printed position-angle, except the first two, is the mean of ten settings, five made before and five after the distance measures. On the first two nights only four settings were

made each time. Five measures of double distance were made each night.

I have compared my measures with the theoretical positions derived from Hall's revised orbit of the satellite (A. J. 441) by the use of Marth's formulae. The computed positions are for the times of the angle measures. The

24*