In the case of fixed stars, the constellation the star belongs to is named as well. You can enable the redlight mode via the menu item "Redlight Mode" in the menu "View", the button with the eye symbol in the tool bar at the left or by pressing the "F12" key. Day, night and twilight are shown here, too. Need a telescope? Further information can be obtained from the Earth Observatory article Bright Lights, Big City, and NASA's Visible Earth website. The interior jungles of Africa and South America are mostly dark. Just set your location and time and start exploring the starry sky, find planets and constellations , and much more. As the maps provided by NASA were in a different projection as the one required by Google Maps, the GDAL - Geospatial Data Abstraction Library library was used for the conversion. The day/night overlay uses the Google Maps API Addons. "The Gateway to Astronaut Photography of Earth". Click the globe (or press L) to set your location and timezone. Day-+ Hour-+ Minute-+ Update Reset to now. You can close any window by clicking the X in the top right corner or pressing the Escape key on your keyboard. The brightest areas of the Earth are the most urbanized, but not necessarily the most populated (compare western Europe with China and India). In the redlight mode you can use AstroViewer dazzle-free in the darkness, eg. The images size corresponds to its size on the screen. Two versions of the images are available: The daylight images provided by Google Maps (maps and satellite views) are also available for reference. Then click the button "add ->". The Star Atlas shows a 360 degree view of the night sky for any given location and time up to an elevation of 60 degrees. The perimeter is the horizon. SKY-MAP.ORG : DE RU SV KO PT EL EN IT FR HU ES ZH JA PL HE CA NL TR SR. Moving the mouse pointer over the location display brings up the location's coordinates. Move the mouse pointer onto the celestial body. The orbits of some dwarf planets can be enabled as well. To print an AstroViewer view click the button with the printer symbol in the tool bar at the left. When you move the mouse pointer over the time display, the time in UTC appears (UTC = Universal Time Coordinated, corresponds to Greenwich Mean Time, GMT). The application shows stars down to a magnitude of 5 along with all the planets. To delete a location mark it in the list and click the button "delete". The globe at the lower left is centered to the set location. Clicking the button "Location / City" in the control field "Location" opens the dialog "Select a Location or City". Choose a location on the world map or from the city list. To save an AstroViewer view click the button with the disc symbol in the tool bar at the left. Alternative ways are using the menu item "Print" in the menu "File" or pressing the keys "p". The brightest areas of the Earth are the most urbanized, but not necessarily the most populated (compare western Europe with China and India). Zenith, i.e. AstroViewer offers you the following displays: All AstroViewer views can be printed and saved as PNG images. Deep-sky objects: Constellation names Constellation lines Constellation boundaries: Ecliptic Celestial equator Buildings & trees: Show daylight: Date: Jun 12, 2017 when you deploy it while observing the bnight sky. They will be available when you next time start AstroViewer. Alternative ways are using the menu item "Save" in the menu "File" or pressing the keys "s". Antarctica is entirely dark. The background indicates day (light blue), night (black) and twilight. You can enable the full screen mode via the menu item "Full Screen" in the menu "View", the button with the full screen symbol in the tool bar at the left or by pressing the "F11" key. Or set the date using the calendar. AstroViewer offers you the following displays: Display a Sky Map for the specified location and time. Use the control field "Time". "The Gateway to Astronaut Photography of Earth", NOAA - National Oceanic and Atmospheric Administration, The main image of the Earth at night (2012) was captured by. Manual interactive night sky map The AstroViewer displays. The Nile River, from the Aswan Dam to the Mediterranean Sea, is another bright thread through an otherwise dark region. The Google Maps API was used for creating the original visualisation. Cities tend to grow along coastlines and transportation networks. Please choose also from a selection of auxiliary lines. Geocoding is provided by Google and Nominatim via ol3-geocoder. The clouds layer is provided by OpenWeatherMap. Choose from the control field "Auxiliary lines". The current location will be saved when you quit the program. You can search for a particular star or planet by typing the name in the search box and pressing enter, if it is visible then the sky will rotate to center on it. The United States interstate highway system appears as a lattice connecting the brighter dots of city centers. A dialog "Enter coordinates" appears where you can enter name and coordinates of the desired location. Your location favorites will be saved when quitting the program. The 3D map was created using Cesium via OpenLayers and ol-cesium. Deserts in Africa, Arabia, Australia, Mongolia, and the United States are poorly lit as well (except along the coast and rivers), along with the boreal forests of Canada and Russia, and the great mountains of the Himalaya. The detailed images of the cities were taken by astronauts aboard the International Space Station. Moreover, you can use the zoom slider (at the left) to enlarge the viewing section. Interactive online sky map. Suggestions are presented while you are entering the name. You can change the view direction with the sliders "Rotation" (at the bottom) and "Inclination" (at the right). Click the button "Enter coordinates" in the dialog window "Select a Location or City". Or enter name and coordinates of an own location. In the language menu you have the choice between German, English, Spanish, French, Icelandic, Dutch and Portuguese. The Star Atlas shows a 360 degree view of the night sky for any given location and time up to an elevation of 60 degrees. That way they can be selected quickly when you need them. The Aurora Borealis and Aurora Australis (Northern Lights and Southern Lights) data is provided by NOAA - National Oceanic and Atmospheric Administration. Click the buttons to change time in small or big increments or decrements. You can use your mouse to click and drag the screen around (or use the left and right keys) in a 360 degree circle of the sky. the point directly overhead, is in the center of the map. Located just outside the map are the four directions: north, south, east, and west. Cities tend to grow along coastlines and transportation networks. Suggestions are presented while you are entering the name. Interactive sky chart: Home: Year Month. It is a good idea to combine full screen and redlight modes. You can rotate the display with the rotation slider at the bottom or the inclination slider at the right. The Planets' Visibility Chart shows you when the moon and the planets are above the horizon at the set location during the selected night. While the original image consisted of 87.970 images, the map from 2012 comprises 349.525 images, therefore adding a grand total of 437.495 images for this map. The current settings of location, time and auxiliary lines will be adopted. The zoom slider at the left lets you zoom in and out as you like. In the full screen mode AstroViewer fills up the entire screen. In Russia, the Trans-Siberian railroad is a thin line stretching from Moscow through the center of Asia to Vladivostok. You can either enter these manually or choose from preset locations of many of the major worldwide cities.

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