01103nam a22001937a 4500 11638 11638 200617b 2004 ||||| |||| 00| 0 eng d 1870077652 623.89 AMN Command of the Defense Council Astro navigation BR 45(2): admiralty manual of the navigation, Vol. 2 London The Nautical Institute 2004 vi,: col. ill. Admiralty manual of navigation Vol. 2 - astro navigation The 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). Navigation Nautical astronomy Admiralty RT 0 0 ddc 0 623_890000000000000_AMN 0 NFIC 12697 MU MU GEN 2020-06-17 623.89 AMN MPC4515 2025-03-17 RT Column - 1 0 0 ddc 0 623_890000000000000_AMN 0 NFIC 12698 MU MU GEN 2020-06-17 623.89 AMN LBS12488 2025-03-17 RT Column - 1