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Sight reduction tables for air navigation / prepared and published by the National Geospatial-Intelligence Agency.
- Format:
- Book
- Government document
- Series:
- Pub. (United States. National Geospatial-Intelligence Agency) ; 249.
- Pub. ; no. 249
- Language:
- English
- Subjects (All):
- Navigation (Aeronautics)--Tables.
- Navigation (Aeronautics).
- Ephemerides.
- ephemerides.
- Genre:
- ephemerides.
- Ephemerides.
- Tables.
- Physical Description:
- 1 online resource ([3] volumes).
- Place of Publication:
- [Bethesda, Md.] : National Geospatial-Intelligence Agency, 2007.
- Contents:
- v. 1. EPOCH 2010.0
- v. 2 Latitudes 0°
- 40° Declinations 0°
- 29°
- v. 3 Latitudes 39°
- 89° Declinations 0°
- 29°.
- Notes:
- Title from title screen (NGA.mil, viewed Feb. 3, 2010).
- Consist of 3 vols. of comprehensive tables of altitude and azimuth designed for the rapid reduction of astronomical sights in the air. The present v. 1 contains tables for selected stars for all latitudes, calculated for the epoch of 2010.0, and replaces the previous edition calculated for the epoch of 2005.0; it is intended for use for about 5 years, when a new edition based on a later epoch will be issued. Vol. 2 for latitudes 0°-40° and v. 3 for latitudes 39°-89° are permanent tables for integral degrees of declination. They provide sights for bodies with declinations within 30° north or south of the equator, which includes the Sun, the Moon, the navigational planets and many of the navigational stars.
- OCLC:
- 517961839
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