iCSC: Clear Sky Chart Viewer
Astronomy forecasts for all
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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.
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User Rating

4.86 out of 5

309 ratings in Canada

5 star
273
4 star
32
3 star
3
2 star
0
1 star
1

Ratings History

Reviews

It works and it is easy to use

retryretry on

Easy to understand and use - nicely functional app!

Please add widgets and iPad support

c.a.n.n.u.c.k.i.s.t.a.n on

I love the accuracy of the forecast but I really wish there was iPad support and support for Widgets in iOS.

Greater accuracy any weather app.

Automanual on

Amazing accuracy and simple to use. Astronomers best friend.

Basic but Useful

Quiescent on

I’ve experienced several odd crashes and strange bugs but for what I need it for, it works well enough and always has reliable information. I use this app to check night sky conditions for stargazing, meteor shower conditions and chasing the aurora borealis. It has saved me from driving an hour out of town for the lights, based on knowing the humidity and darkness (moonlight and such) aren’t ideal, or if / when a weather system is blowing in. I’ve been using this app very frequently (several times a week) for a few years, now. I’d hate to be without it!

Good app, would love widget

Remi on

I would really really like a widget for a quick view of a favorite chart.

Great little app

Tdes64 on

I use it all the time. Could use some improvement on the scaling side

Great

Randal596 on

I have used this program for years but always from my laptop now that it is virtually in my pocket I will use it even more. Thanks for making a great product easier to utilize.

Pure awsomeness

martin knip on

Love it all the way and also have one on my website www.univerciel.ca

Very good

pete6208 on

This is the perfect app for astronomy a must have

Hidden Gem

Tony Adam Stevens on

App is a hidden gem. Works flawlessly. Great use of map integration and 3D Touch. Very handy.

Store Rankings

Ranking History

Category Rankings

Chart
Category
Rank
Top Free
126
Top Free
222
Top Free
252
Top Free
382

Keywords

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App Info

Category
Weather
Publisher
Random Widgets LLC
Languages
English
Recent version
1.2.5 (6 years ago )
Released on
Jun 22, 2014 (10 years ago )
Last updated
5 days ago