A new format Nautical Almanac for the 21st Century.
Using the popular wire bound concept with larger clearer font, cream pages for incr. & corrections’s, all help to make Witherbys Almanac a user-friendly style of Nautical Almanac for today’s navigator.
This 440 page almanac is accompanied by a ‘2012 Celestial Navigation CDROM’
This Celestial Nav program for 2012 computes navigational sailings, compass errors and the calculation of sextant sight observations and includes a Sky chart, Planetarium, Plotting Sheets.
In addition to the information supplied in your typical almanac, Witherbys Nautical Almanac includes:
20 pages of country information, including time zone, population, currency, Int’l dialing codes and details of their merchant fleet
8 pages from a booklet ‘Celestial navigation Explained’ that take you from the basics to resolving a cocked hat problem
A worked example on using the ‘Concise Sight Reduction tables of The Nautical Almanac’
8 pages of formulae and conversion factors
Update on bridge equipment required, AIS, ARPA, BNWAS, ECDIS,GALILEO, VDR and GMDSS
5 pages on the use and care of the sextant
2 pages on the use and care of an azimuth mirror
2 pages on the magnetic compass
6 pages of worked navigational examples in the year 2012 using the Witherbys Nautical Almanac
Colour star charts
Competition to test your navigation skills and win $1,000
How good are your navigation skills? Each Almanac contains a competition with navigation questions.
The competition is open to all (you do not need to buy the Almanac).
Send your completed answers to Witherby Publishing by 1st July 2012 and the lucky winner will be drawn on the 15th July 2012 and receive US$1,000.
Click here to get the questions and address/e-mail for the competition.
You will need a chart that you can download here
and a camera snapshot that you can download here.
Altitude correction tables for Sun, stars, planets
Additional refraction corrections for non-standard conditions
Title page, preface, etc.
Phases of the Moon
Calendars
Eclipses
Planet notes and diagram
Daily pages: Ephemerides of Sun, Moon, Aries and planets; sunrise, sunset, twilights, moonrise, moonset, etc.
Standard times
Star charts
Stars: SHA and Dec of 173 stars, in order of SHA (accuracy 0′.1)
Polaris (Pole Star) tables
Sight reduction procedures; direct computation
Concise sight reduction tables
Form for use with concise sight reduction tables
Country Information
Celestial Navigation Explained
Use of Concise Sight Reduction Tables of The Nautical Almanac
Bridge Notes / Nav Formulae
Conversion Factors
Bridge Equipment (AIS, ARPA, BNWAS, ECDIS, GALILEO, VDR, S-Mode, GMDSS)
The use and care of a sextant
The use and care of an azimuth mirror
Magnetic Compass
Worked Examples
i Conversion of arc to time
ii – xxxi Tables of increments and corrections for Sun, planets, Aries, Moon
xxxii Tables for interpolating sunrise, sunset, twilights, moonrise, moonset, Moon’s meridian passage
xxxiii Index to selected stars
xxxiv – xxxv Altitude correction tables for the Moon
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