Joining the CAS Community

To view the CAS Community pages, you will need to confirm you accept our Terms and Conditions. If you do not accept them please click Back in your browser.

To participate in Cloudspotter Groups and to view other Cloud Appreciation Society members, you will need to complete your own Community Profile by uploading profile and header images and confirming details about yourself.

Filter Photos:

You have selected:

Main Cloud Types

Other Clouds

Optical Effects


Mare Nubium I (Sea of Clouds)

Mare Nubium I (Sea of Clouds)

Videographer, Jesús Olmo, has created a series of great cloud videos that will will be sharing over the next few weeks. Here is the first…

1 Comment
  • Catherine Howard avatar


    April 4, 2017at2:32 am

    Absolutely mesmerizing! The ending is quite the surprise! Thanks, Jesús, for sharing such spectacular videos!

Post a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.