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  1. An online interactive planetarium application to explore the night sky and find constellations, planets, asteroids and other celestial objects visible from any location.

    • Planets

      A Complete Guide to the Solar System and the Night Sky....

  2. Sky map showing the night sky tonight from any location. What planets are visible tonight? Where is Mars, Saturn or Venus? What is the bright star in the sky?

  3. Northern Cross: Cygnus looks like a cross, where the crossbeam is the swan’s wings. Cygnus, its long neck stretched out, flies south for the winter along one of the brightest regions of the Milky Way. Around Christmas Eve at sunset the Cross stands upright on the northwest horizon.

  4. Tonight Timeline. This observing guide helps you plan your Solar System observations. It's divided into three sections, detailing visible objects for post-sunset, nighttime and pre-sunrise viewing. Only objects reaching at least 15° altitude and set/rise at least 15 minutes after/before the Sun are listed. Max magnitude:

  5. Location: Greenwich, UK. Latitude: 51° 28’ 47” N. Longitude: 0° 00’ 00” E. Timezone: Europe/London. Cygnus is circumpolar and transits at 18:32 UTC (altitude: 81.4°) The rise and set times provided here are just directional indications and they refer to a point approximately placed at the center of the constellation.

  6. Cygnus is the 16th largest constellation in the night sky, occupying an area of 804 square degrees. It lies in the fourth quadrant of the northern hemisphere (NQ4) and can be seen at latitudes between +90° and -40°.

  7. 27 Μαρ 2019 · Chart the stars and planets visible to the unaided eye from any location, at any time of day or night, on any date between the years 1600 to 2400 by entering your location, either via zip code, city, or latitude/longitude. Change the horizon view by dragging the green square on the full-sky chart.

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