Celestial Navigation · Star Identification — Star Finder
The 2102-D Star Finder and Identifier is used to:
- APlot a running fix on the chart
- BMeasure the sextant altitude of a body
- CCorrect for index error
- DIdentify or pre-compute the approximate altitude and azimuth of stars and planets for a given latitude and LHA Aries✓ Correct
Explanation
The 2102-D is a mechanical device: with the appropriate latitude template set to the LHA of Aries, it shows which stars and planets are above the horizon and gives their approximate altitude and azimuth — useful for planning a star round or identifying an unknown body observed during twilight.
Authority: Bowditch (Pub. No. 9), Star Finder (2102-D)
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