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Welcome to the
Clear Sky Alarm Clock
Weather forecasts for astronomers delivered directly to your in-box.

Check out Tonight's Sky. An "Observation Session Planing" tool.
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Clear Sky Alarm Clock
New Member Sign Up

  1. Clear Sky Alarm Clock Sign Up

  2. Privacy Policy    

To sign up as a new member you must first provide your email address and a password twice.

You will then receive an email. That email will contain a link to complete the sign up process. This email confirmation prevents other people from signing you up for email you do not want.

If you do not receive the email, please check your spam filters. You need to reconfigure your span filters to allow email from casazza.net. Refer to my Spam Page for more information on spam filters. The best way to test your spam filter changes is to sign up again with the same email address. The system will send another invitation.

Once you respond to the email invitation, you can set up various subscriptions for different Clear Sky Charts, and different observing conditions.
 

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