ASTRONOMICAL
HECTOR OBSERVATORY, WELLINGTON. Latitude 41dcg ITmin 3.7Cseo south. Longitude Hhr 3'Jmin 4.27»e0 east ot Greenwich, lleighi above 19U9 mean sea level, 418 feet. CHRONOMETER RATING NOTICE. At 1 p.m. to-day a galvanometer signal for rating chronometers will be sout from the Observatory to tho Public ielcgrapa Office, and to the Dominion Museum. The needle will move at 1 p.m. exactly of New Zealand standard mean time, when a chronometer set’ to Greenwicn mean time should show 13hr SOimn. Any difference will be the error of the enrooometer on Greenwich mean time. At 9 p.m. correct time will also be signalled from tho Observatory by means ot e)eoirio lights. A green light will be switched on at about 8.15 p.m., a red one at about 8.55 p.m., and a white one at about 8.59 p.m., and all lights will be ewwchail off at 9 p.m. exactly of New Zealand standard mean time. The preparatory swi tolling on of the lights Must be sidered as only approximately correct, and must not be used for rating chronometers. The correct time for rating will be given by switching off the lights simultaneously at 9 p.m. C. E. ADAMS, Government Astronomer. Wednesday, February stb, 1913.
Permanent link to this item
Hononga pūmau ki tēnei tūemi
https://paperspast.natlib.govt.nz/newspapers/NZTIM19130205.2.18
Bibliographic details
Ngā taipitopito pukapuka
New Zealand Times, Volume XXXVII, Issue 8346, 5 February 1913, Page 4
Word count
Tapeke kupu
201ASTRONOMICAL New Zealand Times, Volume XXXVII, Issue 8346, 5 February 1913, Page 4
Using this item
Te whakamahi i tēnei tūemi
Stuff Ltd is the copyright owner for the New Zealand Times. You can reproduce in-copyright material from this newspaper for non-commercial use under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International licence (CC BY-NC-SA 4.0). This newspaper is not available for commercial use without the consent of Stuff Ltd. For advice on reproduction of out-of-copyright material from this newspaper, please refer to the Copyright guide.