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Theoria motuum planetarum et cometarum : continens methodum facilem ex aliquot observationibus orbitas cum planetarum tum cometarum determinandi. : una cum calculo, quo cometæ, qui annis 1680 et 1681. Itemque ejus, qui nuper est visus, motus verus investigatur / Auctore Leonhardo Eulero
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Additamentum.

1.

C um superiorem dissertationem absolvissem, atque orbi-tae cometae determinationem ex observationibus ini-tio commemoratis deductam ad Academiam RegiamParisinam misissem; Celeb. Cassinus, ut desiderio meo theori-am per observationes comprobandi satisfaceret, omnes quasfecerat,observationes mecum benevole communicavit. Suntautem sequentes.

Parisiis

tempore ap-

Longitudo Come-

Latitudo

parente

tae observata

observata

B.

1743. Dec.

21^,

6*,

58"

0',

220,

23',

o"

16°,

M

00

57"

1744. Jan.

30,

5,

54

0,

16,

2 9,

38

17,

12 ,

55

1,

5,

41

0,

15,

19,

35

17,

2Z ,

23

3,

5,

28

v,

-4,

11,

18

17,

32)

39

4,

5,

21

v,

13,

38,

11

17,

37 ,

27

5,

5,

14

0,

13,

5,

57

17,

42 ,

15

6,

5,

8

0,

12,

34,

44

17,

46 ,

20

7,

5,

2

0,

12,

3,

12

17,

51 ,

23

8,

4,

55

0,

n>

33,

8

17,

55,

50

IO,

9,

42

o,

10,

24,

34

18,

5 ,

14

n,

9,

1

O,

9,

58,

40

18,

9 7

35

12,

9,

11

0,

9,

31,

15

18,

13 ,

26

13,

7,

52

o>

9,

5,

30

18,

17 ,

4

l6,

8,

43

0,

7,

45,

15

18,

30 ,

26

17,

7,

4i

0,

7,

20,

58

18,

34,

22

I8,

7,

0

0,

6,

56,

46

18,

38 ,

2

Euler Theoria Cometar.

S

Febr.