Davis Instruments 132 Celestial Navigation Quick Reference Card

The Davis Instruments Quick Reference Celestial Navigation Card provides a simplified yet comprehensive celestial navigation system in a compact, waterproof format. This practical navigation aid is designed to accompany your sextant and streamline the process of celestial sight reduction at sea.

Key Features:

• Complete celestial navigation reference including sextant use and corrections
• Integrated star finder for identifying and locating 18 primary navigation stars
• Data entry form for recording and organizing celestial observations
• Step-by-step sight reduction procedures for calculating your position
• Plotting procedures for charting your location from celestial observations
• Perforated design allows separation into two parts: a larger reference section that fits in most sextant cases and a smaller waterproof data reduction card
• Waterproof construction protects against moisture in marine environments

This navigation card serves as an essential backup to electronic navigation systems and is ideal for mariners learning celestial navigation or those who want a reliable, non-electronic navigation method. The compact design ensures you have critical navigation information readily available without carrying bulky reference books.