Xasteria: Astronomy Weather
iOS app by Dimitrios Kechagias. Weather · Dimitrios Kechagias
- Store rating
- 4.69 / 5
- Store rating count
- 59
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 5.1
- Listing last refreshed
- 2026-09-08
View the original store listing
Store description excerpt
Xasteria helps you decide if tonight is worth observing. It brings together astronomical weather forecasts, sky conditions and observing tools in one ad-free app, built around the 7Timer ASTRO forecast. Configurable forecast sources: • 7Timer / GFS, worldwide coverage, ~20km resolution: · Cloud cover (with layer breakdown) · Astronomical seeing · Atmospheric transparency · Temperature and humidity · Rain / snow · Atmospheric instability · Wind speed and direction • MET Norway, based on the ECMWF model, particularly useful in regions with significant terrain variation Sun/moon details: • Sun / Moon rise, set and twilight times. • Moon phase and elevation. Tools: • Aurora forecast, with worldwide and local data/maps. • ISS and satellite passes for your location. • Light pollution report and map for your observing site. • Quick access to Clear Outside, Meteoblue, Windy, Astrospheric, Sat24, water vapor satellite imagery and more. Display Three display modes: 7Timer icon/graphic view, color-stripe view, or raw text. The left panel can be switched to icons, and summary icons and cloud layers are configurable in settings. This app will always be ad-free, with no in-app popups asking for reviews. If you would like to support it and the 7Timer service, Xasteria Plus adds an Apple Watch app, Home Screen widgets, OpenWeather real-time forecasts, Apple Weather, night vision mode, lunar calendar, solar eclipse tools and more. A quick rating or review on the App Store is always appreciated. For suggestions or feedback: http://astro.ecuadors.net
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