Davis Quick Reference Celestial Navigation Card

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The Davis Instruments Quick Reference Celestial Navigation Card gives navigators a compact onboard aid for working through celestial sights. It is made for quick lookup at the sext ant case and for recording/reducing sight data in wet marine conditions. Brand: Davis Instruments Product type: Celestial navigation reference card Includes: Sextant use guidance and corrections Includes: Star finder for 18 stars Includes: Data entry form Includes: Step-by-step sight reduction and plotting procedures Design: Can be scored and separated Use: Larger section fits in a sextant case for reference Use: Smaller section serves as a waterproof data reduction card Show more