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Eclipse safari app11/20/2023 ![]() ![]() ![]() The information listed always includes contact times, usually in the appropriate local time zone, and sometimes also the altitude and azimuth of the Sun in the sky at each contact.Īnother important piece of information is the percentage of the Sun covered by the Moon at maximum eclipse, sometimes given as magnitude (fraction of diameter), sometimes as obscuration (fraction of area), and sometimes both. Eclipse Circumstances Solar Eclipse 2017 ()Īlmost all of the eclipse apps I've found ( listed at the AAS website) compute eclipse circumstances for your current location using your smartphone's build-in GPS receiver. In addition to the data in the accompanying table, I’ll describe the features common to many of the apps and highlight some products that stand out from the crowd for one reason or another.ĭownload the full summary of all the apps and their capabilities here. I wasn’t able to try out any Android-only apps, so for them I relied on what I could glean from the developers’ websites. I use an iPhone 6s, so for this article I downloaded all the iOS apps and played with them to see what they do and how they work. I’m sure I missed some, but I’m reasonably confident that I found all the ones created for use by the general public (as opposed to diehard eclipse chasers who want everything to the umpteenth decimal point). In the course of maintaining the American Astronomical Society’s “Solar Eclipse Across America” website, I compiled a list of every solar-eclipse-related app I could find. There are also some apps that you can run from a web browser on your internet-connected smartphone, tablet, or personal computer, no matter what operating system it uses. Most are available for both iOS and Android, though some are specific to one or the other operating system. Some are specific to this eclipse, while others are more general and can help you explore past and future eclipses too. In fact, there are surprisingly many apps for your mobile device to help you get the most out of the August 21st solar eclipse, no matter where you’ll be. ![]() There’s an app for that! (You probably saw that coming.) Would you like to know when the eclipse begins and ends in your hometown? How much of the Sun’s face the Moon will cover at maximum, and when that occurs? Maybe you’re on the verge of a last-minute decision to get yourself into the path of totality - would you like to know the quickest way to get there? Are you worried about remembering when to remove and replace your solar filters and wishing you could get a reminder at the appropriate times? Are you going to be stuck at work on the 21st and hoping to catch a live stream of the eclipse so as not to miss the event entirely? Everyone in North and Central America, and millions more in northern South America, will get at least a partial solar eclipse that day. After avoiding the continental United States for 38 years, the Moon’s dark shadow will sweep across the country from Oregon to South Carolina and give millions of residents and visitors the thrill of a lifetime. Anticipation is building for the “Great American” solar eclipse of Monday, August 21st. ![]()
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