Description:
Nautical Publication Number: NP 303
Air Publication Number: AP 3270
Rapid Sight Reduction Tables for Navigation is available as a three volume set.
Volume 1 contains the altitude to 1' and true azimuth to 1° for the seven stars most suitable for finding your position with a sextant, for the complete range of latitudes and hour angles of Aries. The latest edition is that for epoch 2015.0, published in mid-July 2012. This publication is aimed at the navigator using astro-navigation and provides the optimum selection of stars for a three-star fix.
Volume 2 and Volume 3 contain values of the altitude to 1' and azimuth to 1° for integral degrees of declination from 29° north to 29° south, for the complete range of latitudes and for all hour angles at which the zenith distance is less than 95° (97° between latitudes 70° and the poles) providing for sights of the Sun, Moon and planets. Volume 2 covers latitudes between 0° and 40°. Volume 3 covers latitudes between 39° and 89°.
Purchase:
You can purchase your copies from Admiralty Paper Distributors.
Status:
- Volume 1
UKHO Nautical Publication number: NP 303(1)
Published in the UK: 2012 July 12th
13 character ISBN: 978-0-70-774-1338
Pages: 334
Retail price: £30.60 - Volume 2
UKHO Nautical Publication number: NP 303(2)
Published in the UK: Reprinted 2007
13 character ISBN: 978-0-70-774-0188
Pages: 258
Retail price: £30.60. - Volume 3
UKHO Nautical Publication number: NP 303(3)
Published in the UK: Reprinted 2007
13 character ISBN: 978-0-70-774-0195
Pages: 354
Retail price: £30.60. - If you have difficulty in finding this publication please contact UKHO Customer Services:
- By e-mail:
- By telephone:
- By fax:
- By post:
- customerservices@ukho.gov.uk
- +44 (0) 1823 723366
- +44 (0) 1823 330561
- Customer Services
- UK Hydrographic Office
- Admiralty Way
- Taunton, TA1 2DN
- United Kingdom
PDF copies of the sight reduction forms in these volumes are available: