Tietjen, F.

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287 Nr. 1842. 288 Beobachtungen des Cometen I. 187 1 auf der Sternwarte in Berlin. v o u  dem Cometen 1. 1871 wurdert hier hisjetzt folgeride Beobachtungen erhalten : 1871 April 10 11 14 1 4  15 19 20 22 Mittl. Zt. Berlin. -9h20m22s 8 47 58 8 59 22 9 19 5 1  12 10 24 11 17 20 9 40 31 12 7 31 Scheinh. CL 2h 4 t "3RS 05 2 46 11744 2 59 58946 3 0 0933 3 4 55 3 ? I  3'1359 3 25 24975 3 33 42707 -.----- Mittl. Oit der Vrrgleichsterne f i r  1871,O. a 2h41",36'30 +52*24'44"8 a nach LaI. 6 nach Mer.-B. b 2 48 12,50 +51 58" 4072 Meridian-Beobachtun~. C 2 59 9,*21 +50 21 4676 d 3 1 16,20 $50 26 1298 e 3 3 t +49 46 B o o n e r Dn rch m u ste r :I :) g. f 3 21 29,31 +47 32 5092 Catalog d.Vierteljahrsschrift der Astrononi. Gese'rlhchaft. g 3 24 18,50 $46 5 8  5992 Mer.-Beoh. h 3 32 22,90 4-45 44 5498 : : ( 8  unsicher) 1. f. p. 9,724 9 ,743  9,719 9 3 702 9 9 283 9946s 9 9 650 9,265 Scheinb. d - $52'26' 47"l 51 57 1871 5 0  22 5493 5 0  22 2572 49 46 47 31 3416 46 58 4895 +45 43 1 0 9 1  1. f. p. -0,776 09762 0 ,788  07808 0,926 0 3 909 0 9 840 0 3 884 Da nachstehende Elemente, die aus den Beohachtungen Carlsruhe April 7, Altona April 9 und Berlin April 11 ab- geleitet wurtien, noch sehr  nahe mit dein Hinimel stimmen, s o  rniigen Pie hier folgen: T = 1871 Juni 10,50349 miftl. Zt. Berlin. I T = 142' 5'1890 i = fi = 279 25 1732 Mittl. Aep. 1871,O. 87 31 5499 I l o g q  = 99813829 B e r l i n ,  1871 April 25. F. Tietjen. Beobachtungen des Planeten (1 07) C a m  i 11 a auf der Sternwarte in Madras. 1868 Madras Mean Time. Mag. App. R. A. -- A -  - Dec. 5 11h21m40s6 11 .9  1 5gm 10'87 8 11 1 4  45,2 12.5 1 57 22.69 11 11 9 16,7 12 .7  1 5 6  53 ,48  18 11 24 18,7 1 3 . 0  1 56 15,48 19 I 1  12 49,4 1 3 . 2  1 56 14,98 Log (Par.XA) App. P.D. R. A. D. D. -* - -  87' 28' 13"4 995298 0 ~ 2 2 8 6 n  87 32 799 995444 0 ~ 2 3 2 3 n  87  30 5497 995610 092333n 8 7  27 4196 9,6458 092446n 87  26 4293 996324 092419n The  above are  the few remaining ohservations of the  planet C a m i l l a ,  in continuation of those alieady given iu Astr. Nachr. X 1737, where the positions of the comparison s t a r s  as  determined with the Madras Meridian Circle were also given in advance. - The first, o n  Deceniher Sth, was a ring-micrometer observation, hot the other four were taken by means of Bopslnnvki 's  excellent method with a thick Bar, and two comparison stars. 1 thought to have sent off these few places of C a n i i l l a  shortly after these above referred to ,  hut heavy presbrire of' Comparisons. 10 with d 24 with d ,  c 24 with d ,  e 24 with d ,  e 20 with d ,  c -other duties, family sickness and death have completely defeated my hopes and plans and caused the extraordiiary delay which has  occurred, possibly resulting in the loss of the planet, although an approximate ephemeris for the second opposition now prohably near a t  hand might enable me t o  recover it and would at  all event ensure a diligent search on my part. The ohservations of S y l v i a  a t  the last two oppositions shall be forthcoming at  an early date. Ma d r a s ,  1871 April 5. Norman R. Pogson. L i t e  r tt .r i s ch e A n z e i ge. T r a t a d o  de  Astrononiia esfhrica y priictica. Edieion, traducida al  Castellano por el Dr. C. W. Miisla,  antiguo Director del Observatorio de  Santiago. jmpreota de  B. G. Teubner 1871. Pnr el Dr. M. F. Briinnoru, Director del Observatorio de  Dublin. Secunde Dresde y Leipzig. _. Altoua 1871. Mai 6. 

Beobachtungen des Cometen I. 1871 auf der Sternwarte in Berlin

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Beobachtungen des Cometen I. 1871 auf der Sternwarte in Berlin

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