Format of The Info:
Database/Data
Things Described
- Sun
- Moon
- Eclipses
- Celestial Navigation
Data Provided
| Subject | Units |
| Sun and Moon Data for One Day by Location | Time (hours, minutes) |
| Sun, Moon, or Celestial Object (planet or major star) rise/set/transit time data for one year by location | Time (hours, minutes) Azimuth (degrees) |
| Daylight/darkness duration by location | Time (hours, minutes) |
| Moon Phases | Dates of phases (day, month, year) Time (universal time) |
| Fraction of the Moon Illuminated by Date | Percentage |
| Solar and Lunar Eclipses | Times Maps |
| Mercury and Venus Transits | Maps Times Sun's Altitude (degrees) Sun's Azimuth (degrees) Dates |
| Topocentric Configuration of all the Planets and Moon by Day and Location | R.A. (hours and minutes) Dec (degrees) Dist. (A. U.) Z.D. (degrees) Az. (degrees) Elong (degrees) Diam ( ' ") Mag. |
| Apparent Geocentric Right Ascension and Declination by Object (Sun, Moon, Planets, Major Stars) | Date Time (Hours, minutes, seconds) Right Ascension (hours, minutes, seconds) Declination ( degrees, ' ") Distance (AU) Equation of Time (minutes, seconds) |
| Astrometric Position by Object (Sun, Moon, Planets, Major Stars) | Date Time (Hours, minutes, seconds) Right Ascension (hours, minutes, seconds) Declination ( degrees, ' ") Distance (AU) |
| Seasons: Equinox, Solstice, Perihelion, Aphelion | Time (day, hour, minute in Universal Time) |
| Celestial Navigation Data by Date and Position | GHA (degrees ' ) Dec (degrees, ' ) HC (degrees, ' ) ZN (degrees) Altitude Corrections (Refr, SD, PA, Sum) |
| Astrometry Database links | http://www.usno.navy.mil/USNO/astrometry/optical-IR-prod |