iCSC: Clear Sky Chart Viewer 4+

Astronomy forecasts for all

Random Widgets LLC

Designed for iPhone

    • Free

iPhone Screenshots

Description

Choosing when and where to observe is hard. It's a pain to take out your telescope and then having to put it away when clouds quickly roll in.

Well, now you don't have to. With iCSC on your iPhone, you can easily search around for the best location, using Clear Sky Charts published by Attilla Danko.

The Clear Sky Chart, invented and maintained by Attilla Danko, shows at a glance when, in the next 48 hours, one might expect clear and dark skies for a specific observing site.

There are over 4600 charts available for North America, with data provided by Allan Rahill of the Canadian Meteorological Center. These charts provide Cloud Cover, Transparency, Seeing, Darkness, Wind, Humidity, and Temperature. Users can also enable a legend to help read the charts.

iCSC allows users to find charts by title, location, or with a map. Users can then save the charts that they use often.

While Clear Sky Charts are targeted at astronomers, anyone who wishes to look into the heavens, or needs a highly accurate sky forecast can benefit from iCSC: Clear Sky Chart Viewer.

What’s New

Version 1.2.5

This app has been updated by Apple to display the Apple Watch app icon.

Sorry - we let a bug slip through! The issue with favorites has been fixed.

Ratings and Reviews

4.9 out of 5
320 Ratings

320 Ratings

retryretry ,

It works and it is easy to use

Easy to understand and use - nicely functional app!

howlingdave ,

Love the app, retired stations still listed

I love the CSC and this app. Recently I discovered that stations “retired” from the CSC are still listed and mapped in the app, but the links are dead ends. The OLD Abbey Ridge Observatory (which has moved) and Sheet Harbour. There are be others. The “support” link does not work, hence this review.

Automanual ,

Greater accuracy any weather app.

Amazing accuracy and simple to use. Astronomers best friend.

App Privacy

The developer, Random Widgets LLC, indicated that the app’s privacy practices may include handling of data as described below.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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