{"product_id":"sight-reduction-tables-for-air-navigation-volume-1","title":"Sight Reduction Tables for Air Navigation Volume 1 epoch 2025","description":"This publication is aimed at the navigator using astro-navigation and provides the optimum selection of stars for a three-star fix.  It contains the following information:\u003cbr\u003e\u003cul\u003e\n\u003cli\u003ealtitude and true azimuth values of seven selected stars for the complete ranges of latitude and hour angle of Aries.\u003c\/li\u003e\n\u003cli\u003etables for selected stars for all latitudes, calculated for the epoch of 2025, it is intended for use until  2029.\u003c\/li\u003e\n\u003cli\u003ethe altitude to 1' and true azimuth to 1° for the seven stars most suitable for finding your position with a sextant, for the complete range of latitudes and hour angles of Aries.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Boat books Australia","offers":[{"title":"Default Title","offer_id":52957988192620,"sku":"PUB2491COM","price":80.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/1920\/5996\/files\/pub249-vol1-epoch-2025.jpg?v=1764824007","url":"https:\/\/www.boatbooks-aust.com.au\/products\/sight-reduction-tables-for-air-navigation-volume-1","provider":"Boat books Australia","version":"1.0","type":"link"}