Membership Application


Get Your Limited Edition Dark-Sky Calendar Now!


To thank you for your continued financial support of our programs, those who become a member at $50 or more will receive our stunning and one-of-a-kind 2016 International Dark Sky Places wall calendar, featuring award winning photography of night skies around the world.


We can't do it without you!

Please become a member  today to help us continue our fight against light pollution. IDA’s success depends on your generosity – fully seven cents of every dime that supports our programs comes from caring and compassionate donors like you. This is why you are an essential partner in our shared mission to protect the night sky.

  • Have you donated to IDA before? Please, login here. Forgot your login name or password? Click here.
  • If you are a new donor or can’t login, use the form below to make your donation.

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