How do I see the phases of the moon?
Open the Find pane and double-click on the Moon’s name. If you get a message saying that the moon is beneath the horizon, click the Reset Time button. Zoom in on the Moon if
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I have downloaded the latest comet/asteroid/satellite files, but some of the objects in this file don't show up in Starry Night.
The file "Prefs.txt" in the "Starry Night (Pro or Enthusiast or Digital Download)-Sky Data-Prefs" folder has fields named "MaxNumOf Asteroids", &
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Jupiter's great red spot doesn't appear to be in the correct position. Is there someway to reposition it?
Starry Night uses a file called "JupiterGRS.txt" located in the Sky Data folder to determine the mean longitude of the GRS. To change the GRS's position you can open this file
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The "Update Comets/Asteroids/Satellites" option is not working properly.
Starry Night updates Comet, Asteroid and Satellite data daily.  To download the latest available data, select Update Comets/Asteroids/Satellites from the LiveSky menu.&nb
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The "Weekly Sky Events" section of SkyGuide is outdated, even after I do the online update (Windows only)
Untitled Document Quick Solution: Delete the mainindex.html file from the Sky Data/Conductor/Scripts/SkyGuide/Weekly_sky_events folder on your hard disk.
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When I view the solar system from above the sun by selecting Outer Solar System from the Favourites menu, why don't the orbits of Pluto and Neptune overlap?
The orbits of Pluto and Neptune do overlap. However, because the orbit of Pluto is tilted at an angle to that of Neptune, it can appear from your perspective that Pluto is alw
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Where can I get orbital elements for new objects I want to add using the Orbit Editor?
See our Orbital Elements Section for this information.
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Why can't I find Halley's Comet at the Battle of Hastings?
Unfortunately, predicting comet positions on past trips around the sun is one area of astronomy where simulation programs like Starry Night are not very effective. As a comet
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Why doesn't the location of the International Space Station match what I see in the sky?
The orbital elements of artificial satellites (including the ISS) are constantly being adjusted slightly. You need to update satellite elements on a regular basis to keep the
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Can I add a satellite around Mars or other planets/moons?
Yes. Right click (windows) or Ctrl-click (Mac) on the planet or moon you want to add your satellite to. Then select Add Moon orbiting ...
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How accurate are the positions of the planets and moons in Starry Night?
The position of the eight major planets should be accurate to within 5 arcseconds for times within 3000 years of the present. The theory used to predict Pluto’s position is
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How do I add my own objects?
With Starry Night, you can add Solar System objects such as asteroids, satellites and newly discovered comets using the Orbit Editor. For more information, refer to the Starry
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Starry Night 6 now supports 3DS Models
3DS models are computer graphic entities that describe (in 3 dimensions) the shape and structure of any solid object. The 3DS model format is a common meta-format used by most
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On Pro Plus 5, the features on Mars don't correspond with the information in the HUD
[Starry Night Pro Plus 5 only] Please download the Mars.zip file to retrieve a new Mars image that corrects this issue.  The download is about 64 MB in size. Unzip the
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Planets appear black in my Starry Night Digital Download version 6 after upgrading from Digital Download version 5
The following patches fix an issue in the Starry Night Digital Download 6 upgrade where some planet surface images appear black: Mac OS X black sphere fix Windows XP black
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Why can't I see the new comet?
If you're looking for a particular comet in Starry Night and can't find it, here are a few things that might be keeping you from seeing it. 1) Make sure you have the latest v
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Impact scar on Jupiter
On 19 July 2009 a new impact scar was discovered near Jupiter's south pole. If you're interested in observing or photographing the spot yourself, the file attached here will m
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