01042nam a22001697a 4500008004500000020001500045082001600060110003500076245007500111260004100186300001900227440006100246504051300307650001500820650002300835650001400858200617b     2004      ||||| |||| 00| 0 eng d  a1870077652  a623.89bAMN  aCommand of the Defense Council  aAstro navigationbBR 45(2): admiralty manual of the navigation, Vol. 2  aLondonbThe Nautical Institutec2004  avi,: col. ill.  aAdmiralty manual of navigation Vol. 2 - astro navigation  aThe celestial sphere
introduction
Time systems
Practical sights : planning, taking, reducing and plotting
The celestial sphere
definitions, hour angles and the theory of time
Identification of heavenly bodies, astronomical position lines, observed position and sight reduction procedures
Meridian passage and Polaris
The rising and setting of heavenly bodies
Refraction, dip and mirage
Errors in astronomical position lines
Appendix 1. The sky at night
Appendix 2. Extracts from the Nautical Almanac (1997).
  aNavigation  aNautical astronomy  aAdmiralty