Admiralty - NP303(1) - Rapid Sight Reduction Tables Volume 1, Selected Stars [Epoch 2020]

Name: Admiralty - NP303(1) - Rapid Sight Reduction Tables Volume 1, Selected Stars [Epoch 2020]
Brand: Admiralty - United Kingdom Hydrographic Office
SKU: NP303(1)
Price: 87.05 EUR
Availability: InStock

€87.05

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Admiralty - United Kingdom Hydrographic Office

Estimated preparation time: 5 to 14 days

Description
Product Details

Navigate with confidence using these rapid sight reduction tables for selected stars. Provides 1' altitude and 1° azimuth precision for optimal three-star fixes across all latitudes. Epoch 2020.

Reference NP303(1)

Data sheet

Who is the publisher or the author?: Admiralty
On what digital medium is this nautical chart / book stored?: paper medium
From which year does this nautical chart date?: 2012
What type of navigation book is this?: ephemeris, astronomical almanac
What is the size?: paper medium
Picto: In English language

Specific References

UPC: 400000068572
EAN13: 9720707141226

Condition New

Description détaillée

Rapid Sight Reduction Tables Volume 1, Selected Stars [Epoch 2020]

Publication in English
Paperback edition

Precision Navigation for Maritime Professionals

Designed for mariners who rely on celestial navigation, this essential reference provides rapid sight reduction tables for accurate position fixing at sea. Built for professionals in the merchant marine, it delivers instant access to precomputed data for the seven most suitable stars, eliminating complex calculations and reducing human error during critical navigation tasks.

Optimized Star Selection for Reliable Fixes

The tables offer a scientifically curated selection of stars, ensuring optimal visibility and positioning accuracy across all latitudes and Aries hour angles. Each entry provides altitude data to the nearest minute (1') and true azimuths to the nearest degree (1°), enabling quick and dependable three-star fixes—even in challenging conditions.

Engineered for Real-World Maritime Use

Unlike general astronomical almanacs, this volume is purpose-built for sextant-based navigation. Its streamlined format allows navigators to swiftly cross-reference observations, minimizing time spent on calculations while maximizing precision. The 2020 epoch ensures alignment with current celestial coordinates, maintaining accuracy throughout its 2016–2024 validity period.

Trusted Resource for Celestial Navigation

As a cornerstone of traditional navigation methods, this publication bridges the gap between modern technology and time-tested maritime practices. Whether used as a primary tool or a backup system, it provides mariners with the confidence to determine their position independently of electronic systems, reinforcing safety and self-sufficiency at sea.

Master Celestial Navigation with Unmatched Efficiency
When seconds count at sea, the Rapid Sight Reduction Tables Volume 1 transforms complex astronomical calculations into instant, actionable data. This specialized publication is the go-to resource for merchant marine professionals who demand precision without compromise—delivering precomputed altitudes and azimuths for seven strategically selected stars, optimized for three-star fixes across all latitudes.

Built for the Rigors of Professional Navigation
Engineered to withstand the demands of real-world maritime operations, this volume provides altitude data accurate to 1 arcminute and true azimuths to 1 degree. Its 2020 epoch aligns with current celestial coordinates, ensuring reliable performance from 2016 through 2024. Weighing just 1.9 kg, this paperback reference is designed for durability and ease of use, whether in the chartroom or on deck.

Eliminate Guesswork, Enhance Safety
By offering a pre-selected set of stars, this publication removes the uncertainty of star choice, allowing navigators to focus on observation and positioning. Its comprehensive coverage of Aries hour angles and latitudes ensures applicability in any ocean, making it an indispensable tool for vessels operating globally. Trusted by mariners for decades, it remains a critical component of celestial navigation toolkits.

This volume delivers rapid sight reduction data for seven selected stars, providing altitude precision to 1 arcminute (1') and true azimuths to 1 degree (1°). Designed for the 2020 epoch, it supports three-star fixes across all latitudes and Aries hour angles, with a validity period spanning 2016–2024. The paperback edition weighs 1.9 kg and is published in English for global maritime use.

With over two centuries of expertise in maritime navigation, the publisher sets the global standard for nautical publications. Renowned for accuracy and reliability, their resources are trusted by professional mariners, navies, and commercial fleets worldwide, ensuring safety and precision in every voyage.

This publication streamlines celestial navigation by providing precomputed data for optimal star selection, reducing calculation time and minimizing errors. Its precision-engineered tables ensure accurate three-star fixes, while the 2020 epoch guarantees alignment with current celestial coordinates. Lightweight and durable, it’s designed for seamless use in any maritime environment, reinforcing safety and efficiency at sea.

What is the validity period of these sight reduction tables?

These tables are valid from 2016 to 2024, ensuring accurate celestial navigation data for this timeframe.

How precise are the altitude and azimuth calculations in this volume?

The tables provide altitude calculations with a precision of 1 minute (1') and true azimuths with a precision of 1 degree (1°).

Can these tables be used for all latitudes and Aries hour angles?

Yes, they cover the full range of latitudes and Aries hour angles, making them suitable for global navigation.

How many stars are included for optimal three-star fixes?

The volume includes data for seven selected stars, optimized for precise three-star position fixes.

Is this publication suitable for use with a sextant?

Yes, it is specifically designed for determining positions using a sextant in celestial navigation.

What is the epoch for the selected stars in this volume?

The epoch for the selected stars in this volume is 2025.0, ensuring up-to-date reference data.