New Zealand Gazette – 1878 – No. 46

Page 636

✨ Longitude Calculation Table



636

THE NEW ZEALAND GAZETTE.

COMPUTATION of CORRECTION to OBSERVED LONGITUDE OF ROCKYSIDE OBSERVATORY, Otago,
New Zealand.

Date. T.C. Altaz. Adopted Mean Error of R.A. Adopted Error of Tabular R.A. on Day of Observation of Longitude. Variations of Moon's R.A. in lh. of Longitude. Correction to observed Difference of Longitude.
1869.
September 13 ... +0.52 ... ... ... ...
15 ,, +0.44 +0.52 +0.39 136.1 -10.32
16 ,, ... +0.11 +0.39 131.2 -10.70
17 ,, ... ... +0.28 126.0 -8.00
19 ,, +0.34 +0.41 +0.36 ... ...
20 ,, +0.23 +0.15 +0.20 ... ...
November 18 ,, +0.25 +0.15 +0.22 ... ...
19 ,, +0.36 +0.27 +0.33 ... ...
20 ,, +0.30 +0.12 +0.24 +0.29 136.7
22 ,, ... ... +0.29 145.3 -7.19
26 ,, +0.39 +0.31 +0.36 ... ...
December 14 ,, +0.20 +0.24 +0.21 ... ...
15 ,, +0.24 +0.00 +0.16 ... ...
17 ,, ... ... +0.26 135.7 -6.90
19 ,, +0.16 +0.34 +0.22 +0.37 147.4
20 ,, +0.48 +0.37 +0.41 ... ...
25 ,, +0.43 +0.48 +0.45 ... ...
1870.
January 10 ,, +0.10 +0.12 +0.11 ... ...
12 ,, +0.12 +0.07 +0.10 ... ...
14 ,, +0.04 -0.04 +0.01 ... ...
15 ,, ... ... +0.07 146.3 -1.72
16 ,, ... ... +0.10 151.2 -2.38
17 ,, ... ... +0.10 152.7 -2.36
18 ,, ... ... +0.20 150.9 -4.77
25 ,, +0.76 +0.26 +0.59 ... ...
February 10 ,, +0.15 -0.03 +0.09 ... ...
11 ,, +0.10 +0.12 +0.11 ... ...
15 ,, ... ... +0.25 152.1 -5.92
21 ,, +0.52 +0.62 +0.55 ... ...
March 12 ,, -0.04 +0.38 +0.10 ... ...
13 ,, +0.09 +0.30 +0.16 ... ...
14 ,, +0.28 +0.09 +0.22 ... ...
17 ,, ... ... +0.30 145.3 -7.43
18 ,, ... ... +0.30 142.8 -7.56
19 ,, ... ... +0.30 141.8 -7.62
23 ,, +0.72 +0.68 +0.71 ... ...
April 15 ,, +0.26 -0.05 +0.16 ... ...
16 ,, +0.18 +0.35 +0.24 ... ...
17 ,, ... ... +0.23 154.8 -5.35
18 ,, +0.43 +0.11 +0.32 ... ...
19 ,, +0.22 +0.18 +0.21 ... ...
20 ,, +0.30 +0.87 +0.49 ... ...
21 ,, +0.42 +0.47 +0.44 +0.46 146.4
May 8 ,, +0.14 -0.24 +0.01 ... ...
9 ,, -0.01 +0.44 +0.14 ... ...
10 ,, +0.18 -0.07 +0.14 +0.14 140.5
11 ,, ... ... +0.15 141.2 -3.82
12 ,, +0.12 +0.23 +0.16 +0.16 143.6
13 ,, +0.17 +0.36 +0.23 ... ...
14 ,, +0.36 +0.26 +0.33 ... ...
1871.
May 24 ,, +0.26 +0.25 +0.26 134.9 ...
26 ,, +0.10 +0.33 +0.18 ... ...
27 ,, ... +0.08 +0.08 +0.19 129.6
28 ,, +0.25 +0.12 +0.21 ... ...
29 ,, +0.22 +0.06 +0.17 ... ...
30 ,, -0.04 +0.42 +0.11 ... ...
31 ,, +0.31 +0.31 +0.31 +0.24 142.5
June 1 ,, +0.41 +0.08 +0.30 +0.32 151.9
2 ,, +0.55 -0.04 +0.35 +0.37 161.8
3 ,, +0.41 +0.55 +0.16 ... ...
4 ,, +0.49 +0.14 +0.37 +0.46 171.6
5 ,, +0.64 +0.37 +0.55 ... ...

| | 25 / -164.43 | | | | | |
| Correction to Mean Longitude (East) | -6.58 | | | | | |

NOTE—Double weight is given to the observations with the Transit Circle. The adopted errors have been formed by
combining observations on the days immediately preceding and following.
1878, February 2nd.

G. B. AIREY.

Printed under authority of the New Zealand Government, by GEORGE DIDSBURY, Government Printer, Wellington.




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VUW Te Waharoa — PDF NZ Gazette 1878, No 46




✨ LLM interpretation of page content

🗺️ Computation of Correction to Observed Longitude of Rockyside Observatory, Otago

🗺️ Lands, Settlement & Survey
2 February 1878
Longitude, Rockyside Observatory, Otago, Astronomical Data, Surveying, Computations
  • G. B. Airey