You can enable or disable the Atmosphere, showing horizon glow, for example. The Ground icon can remove the ground, revealing the entire sphere of the heavens. There are icons for the equatorial grid, showing celestial coordinates, and the azimuthal grid. An icon showing a figure with a star as his head enables or disables illustrations depicting the classical constellation figures-gorgeous but distracting if you're trying to find your way around the sky. (When the feature is on, the icon is lit up.) One enables/disables constellation lines one adds or removes constellation labels. All are "toggles": they either turn a feature on, or off. When you close in on a planet such as Jupiter, you can see its disk and moons, although when I got too close it looked washed out.Īt the screen's bottom right is a gear icon that reveals a new set of controls: 12 icons. Planets do not appear as bright, relative to bright stars, as they do in reality. While the Pleiades look good from a distance, with a hint of their nebulosity visible, in a close-up view they just appear out of focus and muddled. Some objects like the Orion Nebula look gorgeous and realistic when you zoom in on them others are less impressive. While this information is useful, it pales in comparison with the comprehensive data (and descriptive info, for brighter objects) you can access on each object you tap on in SkySafari 3 (for iPad), for instance. Tapping the down arrow will morph it into an up arrow, and reveal some basic information about the star: its magnitude (apparent brightness) location in both celestial and altitude/azimuth coordinates, and distance in light-years. A little circle in the sky view will reveal the position of that star. Perhaps this is a lesson to would-be time travelers.Īt the screen's upper left are a down-arrow, a circle with a star in it, and the designation (such as "HIP 32012") for the star closest to the position where you last tapped the screen. I found the time controls tricky to master and sometimes nonresponsive-returning to the present was harder that it should have been. You can also make time pass backward or forward-and watch the stars move across the sky-by dragging your finger across the screen. The Play arrow returns time to its normal rate of passage, and the Hourglass arrow returns you to the present. Likewise, Forward lets you move forward in time at hyper-speed, and watch the motion of the stars over the course of a night, then the arrival of the day, followed by another night, etc. Backward makes time run backwards, and each time you tap the arrow, it speeds up the rate of time by an order of magnitude. Tapping the time enlarges it and brings up four arrow keys if I had to label them I'd call them Backward, Play, Forward, and Hourglass. HOW TO USE STELLARIUM MOBILE APP PLUSYou can pinch or stretch the screen for wide-field or zoom views, or use the plus and minus buttons at the bottom of the screen.Īt the lower left is a clock showing the date and time, down to the second. Pointing your iPad at the sky will reveal the stars or planets visible in that direction. The night-sky view is also appealing and-for the most part-realistic looking. HOW TO USE STELLARIUM MOBILE APP SOFTWAREBest Hosted Endpoint Protection and Security Software.
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