Αποτελέσματα Αναζήτησης
Nautical twilight is the time when the center of the sun is 12° below the horizon and the horizon is visible enough to be used for marine sextant observations. First locate your approximate Latitude in the Lat. column and then follow across horizontally to the right to find the time. 17*. see notes at bottom.
Tabulations of the Sun, Moon, navigational planets and stars to help determine positions at sea when using a sextant. Times of sunrise, sunset, twilights, moonrise and moonset, calendarial information, phases of the Moon and eclipses of the Sun and Moon to help bridge crews plan observations.
The "PDF version" contains: daily pages of the nautical almanac, increments and correction tables for Sun and Aries, corrections to apply to the observed altitude of Sun and fixed star, conversion of arc to time, speed-time-distance table and mounthly pages with 97 additional nautical stars.
Calendars for 2021 in Microsoft Excel format (.xlsx file). 19 blank, editable and customizable templates to download and print.
Manuals for the category Nautica Watches. Find your specific model and download the manual or view frequently asked questions.
Free 2021 yearly printable calendars in Word, Excel and PDF format. The blank and generic calendars have Sunday start and are easy to edit, customize, or print.
Download your free 2021 calendar in easy-to-print PDF format, with a variety of customizable monthly and yearly designs. Perfect for planning your year ahead.
