Xasteria: Astronomy Weather
Astro Forecast - 7Timer
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Description

Xasteria was originally created to bring the excellent ASTRO weather forecast of the service 7Timer to your iOS device. With worldwide coverage and one of the best performing astro-seeing models, it is a great tool for all stargazers.

The app has been extended to offer you quick access to all of your favourite weather resources and tools: Clear Sky Charts (for North American users), Clear Outside, Meteoblue, Windy, Astrospheric, Sat24.com, the latest water vapor satellite images and even light pollution maps.
ISS and bight satellite passes for your location are also shown (data from heavens-above.com).

The main forecast source, 7Timer, is based on the NOAA/NCEP-based numeric weather model, the Global Forecast System (GFS) and gives you a forecast for the entire globe with a resolution of about 20km at 3-hour intervals.

The data provided includes:
-Sun/Moon rise/set & twilight times.
-Moon phase.
-Cloud cover.
-Astronomical seeing.
-Atmospheric transparency.
-Temperature.
-Humidity.
-Rain/Snow.
-Atmospheric instability.
-Wind.
-Wind direction.

Xasteria provides you with a choice of 3 visualization modes for the data: the new 7Timer! ASTRO graphics, the color-stripe graphics similar to some other astro-forecast services and a raw text mode.

Xasteria is available in English, Greek, German and French. If you would like to translate it to your own language, please contact the author.

Xasteria will always be ad-free. If you would like to support it, as well as fund the 7Timer service behind it, you can get Xasteria Plus, which can access non-free weather sources and has some extra features like night vision mode, iPhone landscape view, lunar calendar, solar eclipse simulator, location manager.

I would appreciate a quick review on the App Store if you are using the app (there will be no popup asking you in the app as I hate those). If you have a specific request/suggestion you can also try the official app page at http://astro.ecuadors.net
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User Rating

4.91 out of 5

32 ratings in United Kingdom

5 star
30
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Ratings History

Reviews

Excellent

Trust-me,I am a squirrel on

Can you do a watch complication so it can show the cloud cover circle? That would be really useful.

Another great astronomy app

onebravodelta on

I reviewed polarscope align pro a few years ago and even had a reticule added. Having used this weather app for a few months I see it has the same ease of use and attention to detail. I highly recommend this app to anyone, amateur or pro. Far fewer wasted nights with fingers crossed hoping for clear skies. Plan your viewing around this app and you won’t be disappointed. David Holdaway Amateur astronomer / astrophotographer

What a great app

Trust-me,I am a squirrel on

Stumbled across this but glad I did. If you are an astronomer your viewing planning will be a lot easier with this app. So easy to understand.

Excellent app

Bob67542577g on

Highly accurate, best app there is for this purpose.

This app is a must have

Kaiser_ chef on

Fantastic features in an easy to understand format, it’s quickly become my go to app for stargazing

Extremely accurate

John Manifold on

I regularly use several different weather apps. They all produce conflicting forecasts, but this one is consistently accurate when predicting clear nights.

Excellent Application

Sc99cs on

Catman161’s review says all you need to know so I’ll just echo that this is a brilliant app to use to predict what the weather conditions are likely to be for an observing session.

Outstanding!

fdrtfrffsdghvfdhhfe on

If you want to keep track of astronomy weather, best times to view e.t.c and only that without annoying pop ups every 2mins then this is the App to use 👍🏻

Xasteria

outerlilmit909 on

I have been using Xasteria for about 2 months and have been very pleased with it, however it has recently stopped working completely. I have tried reinstalling it but it still won’t work. Is there a problem? If it was still working I would have left 5 stars.

Very useful

astrocrut on

Very useful app for a quick, accurate forecast for astronomy.

Store Rankings

Ranking History

Category Rankings

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App Info

Category
Weather
Languages
English, French, German, Greek (modern)
Recent version
4.9 (1 month ago )
Released on
Oct 28, 2015 (8 years ago )
Last updated
1 week ago