The Nautical Almanac & Its Superintendents
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List of Superintendents and Heads

 
DatesName
Founder Nevil Maskelyne, AR 1765 - 1811
1811 - 1818 John Pond, AR 1811-1835
Superintendents
1.1818 - 1829 Thomas Young
2 1829 - 1831 John Pond
3.1831 - 1853 W.S. Stratford
4.1853 - 1891 J.R. Hind
5.1892 - 1910 A.M.W. Downing
6.1910 - 1930 P.H. Cowell
7.1930 - 1936 L.J. Comrie
8.1936 - 1971 D.H. Sadler
9.1970 - 1989 G.A. Wilkins
10.1989 - 1996 B.D. Yallop
Heads
1996 - 1998 A.T. Sinclair
1998 - 2006 P.T. Wallace
2006 - S.A. Bell
 

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Locations of the HM Nautical Almanac Office.

 
Dates Locations
1831 - 18323 Verulam Buildings, Gray's Inn, London
1832 - 1842Somerset House, London
1842 - 19173 Verulam Buildings, Gray's Inn, London
1917 - 192286 Lee Road, Lee, London S.E. 3
1922 - 1939Royal Naval College, Greenwich
1939 July-Sept. Devonport House, Greenwich
1939 - 1941Laggan, College Road, Bath
1941 - 1949Ensleigh Hutments, Lansdowne, Bath
1949 - 1957South Courtyard, RGO, Herstmonceux Castle, East Sussex
1957 - 1990West Building, RGO, Herstmonceux Castle, East Sussex
1990 - 1998Royal Greenwich Observatory, Madingley Road, Cambridge
1998 - 2006Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire
2006 - UK Hydrographic Office, Admiralty Way, Taunton
 

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Acronyms

 
AE The Astronomical Ephemeris
ANA Abridged Nautical Almanac
ANT Astronomical Navigation Tables
APh Astronomical Phenomena
AR Astronomer Royal
AsA The Astronomical Almanac
BAA British Astronomical Association
CCLRC Council for the Central Laboratory of the Research Councils
DNSOM Directorate for Naval Surveying Oceanography and Meteorology
HMNAO Her Majesty's Nautical Almanac Office
IAU International Astronomical Union
NA The Nautical Almanac
NA & AEThe Nautical Almanac and Astronomical Ephemeris
NAO Nautical Almanac Office
NMM National Maritime Museum
PLC Planetary and Lunar Coordinates
PPARC Particle Physics and Astronomy Research Council
RAL Rutherford Appleton Laboratory
RAS Royal Astronomical Society
RO Royal Observatory (Greenwich)
RN Royal Navy
RGO Royal Greenwich Observatory, Herstmonceux
SA The Star Almanac for Land Surveyors
SERC Science and Engineering Research Council
SOFA Standard of Fundamental Astronomy
SSTD Space Science and Technology Department
SRC Science Research Council
UKHO UK Hydrographic Office
US United States
USNO United States Naval Observatory
 

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Lists of Publications

 

The table below lists most of the publications of HMNAO, but excludes the Technical Notes and Astronomical Information Sheets. The table groups together for each publication the various titles and years for which the titles were valid. The first column gives, for annual (A) volumes, the limiting years for which the title is valid. Volumes printed every five years are indicated with F, and those regulary produced at irregular intervals are indicated with a V.

 

Year(s) Title Comments
1767-1833AThe Nautical Almanac and Astronomical Ephemeris First published.
1834-1895AThe Nautical Almanac and Astronomical Ephemeris Major revision.
1896-1930AThe Nautical Almanac and Astronomical Ephemeris Part II AE & NA split.
1931-1959AThe Nautical Almanac and Astronomical Ephemeris Major revision.
1960-1980AThe Astronomical Ephemeris (AE) Prepared jointly with US.
1981- AThe Astronomical Almanac (AsA) New title and major revision.
A joint publication with USNO.
 
1980- AAstronomical Phenomena (APh) Section A of AsA, in advance.
A joint publication with USNO.
 
1896-1913AThe Nautical Almanac & Astronomical Ephemeris Part I Published for seamen.
1914-1923AThe Nautical Almanac, Abridged for the Use of Seamen Changes each year.
1924-1928AThe Nautical Almanac, Abridged for the Use of Seamen Remodelled for sailors.
1929-1951AThe Nautical Almanac, Abridged for the Use of Seamen Redesigned for navigators.
1952-1957AThe Abridged Nautical Almanac (ANA)
1958-1959AThe Abridged Nautical Almanac UK and US volumes unified.
1960- AThe Nautical Almanac (NA) NP 314 New title.
A joint publication with USNO.
 
1937- A*The Air Almanac (AA) *1/4, 1/2 and now yearly.
A joint publication with USNO.
 
1998- AThe UK Air Almanac (UKAA) A contract publication.
From 2015 published only on-line.
 
1951- AThe Star Almanac for Land Surveyors (SA)
 
1985 FCompact Data for Navigation and Astronomy 1986-1990 Data for computers.
1990 FCompact Data for Navigation and Astronomy 1991-1995
1995 FCompact Data for Navigation and Astronomy 1996-2000 Includes software NavPac.
2000 FNavPac & Compact Data 2001-20051 Major upgrade to software.
2004 FNavPac & Compact Data 2006-2010 (NPCD)
2010 FNavPac & Compact Data 2011-2015 (NPCD) DP 330 NavPac 3.1.10
2015 FNavPac & Compact Data 2016-2020 (NPCD) DP 330 NavPac 3.4
NavPac 4
 
1933 VPlanetary Coordinates, 1900-1940 equinox 1950.0.
1939 VPlanetary Coordinates, 1940-1960 equinox 1950.0, re-printed 1946.
1958 VPlanetary Coordinates, 1960-1980 equinox 1950.0.
1979 VPlanetary and Lunar Coordinates, 1980-1984 equinox B1950.0.
1983 VPlanetary and Lunar Coordinates, 1984-2000 equinox J2000.0.
2000 VPlanetary and Lunar Coordinates, 2001-20203 (PLC)equinox J2000.0
 
1936 Interpolation and Allied Tables. Compiled from Nautical Almanac 1937.
1939 Seven-figure Trigonometrical Tables for every Second of Time
1947 Five-figure Tables of Natural Trigonometrical Functions
1956 Interpolation and Allied Tables Completely new edition, reprinted 7 times.
1958 Subtabulation Superseded by computers.
 
1941 Astronomical Navigational Tables (ANT) Volumes A - Q. Precursor to AP3270?
 
1953-2000FSight Reduction Tables for Air Navigation - AP3270 3 Volumes, Volume 1 5-yearly. The US still
produce these. See Rapid Sight ....
 
1971 Sight Reduction Tables for Marine Navigation - NP401 6 volumes, fixed. A UKHO publication.
Originally jointly produced by USNO & HMNAO.
From 2007, not published in the UK.
 
2005- FRapid Sight Reduction Tables2, AP 3270/NP 303 Vol 1 5-yearly 2005, 2010, ..., vols 2 & 3 fixed.
Tables as 1953-2000 edition, but explanation
and examples tailored for marine users.
 
1961 The Explanatory Supplement to the Ephemeris
1974 The Explanatory Supplement to the Ephemeris 3rd impression, updated.
1992 The Explanatory Supplement to the Astronomical Almanac Ed. P.K. Seidelmann (USNO)
Published by University Science Books (US).
2013 The Explanatory Supplement to the Astronomical Almanac A complete revision.
Eds. S.E Urban (USNO) & P.K. Seidelmann
Published by University Science Books (US).
 
1941-1959 Apparent Places of Fundamental Stars now produced by Rechen-Institut
 
1954 Improved Lunar Ephemeris 1952--1959
 
1968 Man is not lost: a record of two hundred years of
astronomical navigation with the
Nautical Almanac 1767-1967
Explanatory text with pages from the
almanacs for 1767 and 1967 and a
photograph of Nevil Maskelyne.
 
1998 The RGO Guide to the 1999 Total Solar Eclipse RGO / HMNAO publications.

 
  1. Previously entitled Compact Data for Navigation and Astronomy. The title was changed to highlight the growing importance of the software.
  2. Previously entitled Sight Reduction Tables for Air Navigation. The tile was changed to highlight the fact that this publication was no longer being used for air navigation but by mariners.
  3. Nominally, but USNO take little part and not published by USGPO, however, also published for HMNAO in the US by Willmann Bell.
 

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Lists of Web Sites

 
YearsStatusWeb AddressContent/Comment
1995-98Dwww.ast.cam.ac.uk/naoHMNAO site at the RGO; HMNAO's first web pages.
1998Fwww.nao.rl.ac.uk HMNAO general site at RAL.
2006Fwww.hmnao.com HMNAO general at UKHO.
1998Fwebsurf.nao.rl.ac.uk Sun and Moon rise and set times, etc., for the public
2006Fwebsurf.hmnao.com Sun and Moon rise and set times, etc., for the public.
2005Fasa.nao.rl.ac.uk The Astronomical Almanac Online.
2006Aasa.hmnao.com The Astronomical Almanac Online at UKHO.
1999Fwww.eclipse.org.uk HMNAO's Eclipse Portal.
2005Fwww.crescentmoonwatch.org Visibility of the New Crescent Moon.
2010Aastro.ukho.gov.uk HMNAO site where all forwarding (F) lands.
200xFwww.iau-sofa.rl.ac.uk IAU SOFA website at RAL.
2006Fiau-sofa.hmnao.com IAU SOFA website at UKHO.
2009Awww.iausofa.org IAU SOFA website.
2010Awww.iaucom4.org IAU Commission 4 - Ephemerides.
2015Awww.iauFS.org IAU Commission A3 - Fundamental Standards
2012Aukho.gov.uk/hmnao UK Government Website Portal
  • D - Defunct. Web site no longer exists.
  • F - Forwarding; site names has changed, you are re-directed to the active site.
  • A - Active; these are the active sites.
  • rl - Those with rl in the address existed when HMNAO was part of RAL.
 

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