Celestial by Navimatics 1.5.15183

Celestial offers a comprehensive solution for celestial navigation on Apple devices, including iPad, iPhone, and iPod Touch. The app is equipped to perform celestial sight reductions, compute navigational fixes, and visually present these results. It also facilitates the management of sights across multiple trips and assists in sight planning. Moreover, it features an exhaustive Almanac detailing the Sun, Moon, planets, and stars.

Key features include:

• Quick Sight Reduction: Users can input sight values to rapidly calculate intercepts or verify manual sight reductions.
• Trip Management: A robust trip manager allows for the organization of sights captured during voyages, ensuring that data is preserved for future reference.
• Grouped Sights: The app enables the grouping and averaging of multiple sights to calculate fixes, with capabilities to plot Lines of Position (LOPs) and fixes on a virtual plotting sheet.
• Running Fix Support: Continuous fixes are easily accommodated within the app's functionality.
• Star Finder: Users can access information on rise and set times for celestial objects, aiding in timely planning for observations.
• Comprehensive Almanac: The app includes detailed data for the Sun, Moon, planets, 57 navigational stars, Aries, and Polaris from 1980 to 2099.
• Context-Sensitive Help: Each screen provides intuitive guidance on functionality to enhance user experience.
• Night Mode: This feature helps preserve night vision during navigation activities.

The sight reduction algorithms utilized in Celestial are based on methods outlined in the Nautical Almanac, specifically the Sight Reduction Procedures. Accurate celestial object positions are computed using software developed by the US Naval Observatory.

For more information about additional navigation products, please visit Navimatics or search for "navimatics" in the App Store.