This category lists sites specifically for sky calendars used for the purpose of viewing preparations.
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Sites 9
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- Clear Sky Clock Graphical short-term predictions of seeing related weather conditions at a large number of sites in North America.
- Que Tal Month at-a-glance, what's up, planet watch, phases and encounters sun watch, and star maps and charts.
- Moonstick Information Site A slide rule moon phase calendar determines the phases for any date, past (8000 years), present, or future.
- The Natural Year - Circular Almanac Daily weather averages and astronomical information.
- SkyEye A calendar of celestial events by the appropriate month.
- The Night Sky This Week Provides updated weekly information about the night sky, including specific planetary locations and details on the most important asteroids, comets, and meteor showers.
- Astronomical Sky Calendar Program that when given a particular date generates information, the Julian date, sun rise and set times, moon rise and set times, and percent illumination.
- Observing The sky at a glance, highlights, sky chart, and gallery from Sky and Telescope Magazine.
- The Solar Almanac Monthly events customizable for different locations.