Zenith distances observed with the mural circle, at the Royal Observatory, Cape of Good Hope, and the calculation of the geocentric South Polar distances.

Date:
1837
Catalogue details

Licence: Public Domain Mark

Credit: Zenith distances observed with the mural circle, at the Royal Observatory, Cape of Good Hope, and the calculation of the geocentric South Polar distances. Source: Wellcome Collection.

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    Zenith Distances Observed with the Mural Circle in the Year 1837. Month and Day. No. A.S.C. NAME OF STAR or PLANET. Microscopes. Micrometer or Time by Molyneux. Correction for Microm. or Time. Concluded reading of Circle. Initials of Observer. A B C D E F / n // B n n n r. / a 0 / B h, m. i. T? 30 Dec. 883 S Canis Maj. M.R. 16 29-9 40-5 04-8 61-0 04-5 44 1 20-245 -3-35 138 16 26-64 T.M. 883 S Canis Majoris... . 51 48-2 35-0 48-238-8 41-1 32 0 333 51 40-96 T.M. 915 Canis Maj. M.R. 7 31-8 42-1 10-860-7 06-7 46 1 20-315 -6-17 141 07 26-06 T.M. 915 T] Canis Majoris.. . 0 50-0 37-0 49-6 36-6 43-0 33 2 331 00 42-11 T.M. ROct. SP...M.R. 32 89-6 46-0,93-8 32-5 85-6 60 2 19-656 +20-41 202 33 28-12 T.M. B Octantis SP.... 34 51-350-8 63-0 08-8 64-1 11 0 269 34 41-13 T.M. 1114 X Argus M.R. 54 38-437-2 28-2 49-5 22-8 46 2 20-330 -6-78 1.54 54 29-63 T.M. 1114 X Argus 13 47-9 40-1 49-534-0 40-1 25 8 317 13 39-56 T.M. 1152 (a) d Ursae Majoris.... 12 39-0 77-4 71-0,22-0 96-4 12 2 52 12 52-78 T.M. 1223 Arg. in Velis M.R. 26 36-8 42-8 27-4 56-0 19-5 47 4 19-720 +17-83 153 26 55-74 T.M. 1223 Arg. in Velis 41 22-8 15-3 27-1 08-3 17-0 59 2 318 41 15-13 T.M. 1281 Tj Argus M.R. 57 35-2 21-5 33-0 25-8 24-0 32 2 20-360 -7-99 170 57 19-99 T.M. 1281 r; Argus 10 55-1 58-8 63-4 40-2 54-6 32 9 301 10 51-21 T.M. rOct. SP.... M.R. 44 53-9 12*3 62-2 58-8 52-1 25 0 20-845 -21-55 203 44 06-13 T.M. T OctantisSP 23 73-0 72-0 78-2 35-5 83-9 36 6 268 24 02-88 T.M. O 31 Dec. (5) O S.L M.. 36 34-0 23-0 35-3 26-9 31-2 18 0 19-432 +29-44 336 36 51-39 T.M. © N. L 9 41-2 25-5 38-6 30-0 32-6 24 9 +0-32 337 09 32-10 T.M. 2741 Fomalhaut.. M.R. 38 36-2 53-5 18-0 71-2 22-0 52 6 22-590 -1 37-93 142 37 3-38 T.M. 2741 Fomalhaut 30 75-0 59-7 77-8 61-2 67-2 57 0 329 31 6-88 T.M. 31 (c) a Phoenicis.. M.R. 19 35-9 37-0 -29-2 45-6 22-4 42 2 20-571 -16-50 155 19 18-52 T.M. 31 a PhcEnicis 48 59-4 51-060-0 46-0 49-5 39 5 316 48 50-88 T.M. Ceres 54 44-4 87-084-2 44-1 113-5 28 0 22 55 06-47 T.M. 611 Capella 44 36-4 68-076-4 11-5 95-5 07 0 45 44 48-76 T.M. ff Octantis SP 17 17-6 26-819-0 56-0 26-5 53 0 269 17 12-98 T.M. 673 , a Leporis R. 4 42-8 65-2 19-0 80-0 25-7 58 5 130 04 47-78 T.M. 673 ^ ' a Leporis 3 26-0 08-729-7 09-8 25-2 08 0 342 03 18-02 T.M. 699 a Columbae 50 33-0 10-532-4 10-0 17-7 08 8 325 50 18-71 T.M. 732 /3 Columbae. . M.R. 57 32-9 24-430-5 28-1 21-0 24 0 19-470 +27-91 147 57 54-25 T.M. 732 jS Columbae 10 27-6 07-828-8 06-9 12-7 04 2 324 10 14-93 T.M. 746 (e) r Columbae 41 73-2 49-869-4 49-8 54-2 49 0 324 41 57-41 T.xM. 807 Canopus.... M.R. 44 34-7 01-847-0 51-5 24-8 06 6 20-280 -4-76 164 44 12-28 T.M. 807 Canopus 23 68-5 60-i;63-l 55-7 53*8 50 0 307 23 58-58 T.M 838 Sirius M.R. 38 24-4 46-058-2 61-0 03-5 37 5 20-610 -18-07 128 38 9-75 T.M 838 Sirius 29 65-5 50.167-5 49-7 64-5 46 9 343 29 57-32 T.M. (а) A Blotch. (б) Observed at the Meridian and S'* Wires. (c) Obscured and faint, observed at the Meridian and 4‘'' Wires. (d) Found bisected by the fixed Wire. Cloudy on the Meridian, observed at the 5“’’ Wire.