The Nautical Almanac, 2018 Edition
Produced jointly by Her Majesty's Nautical Almanac Office, Rutherford Appleton Laboratory under the supervision of S.A. Bell and C.Y. Hohenkerk, and the United States Naval Observatory under the supervision of S. Urban and R.J. Miller. Printed separately in the United Kingdom and in the United States. Presents data for use in astronomical navigation at sea Includes planets, selected stars, our Sun, our Moon, twilight, Sunrise, Sunset, Moonrise, and Moonset. Includes "Index to Selected Stars, 2011" and "Altitude correction tables for Sun, Stars, Planets" on a separate sheet.
- Government Printing Office