1) Eclipse viewers 2) Lookouts 3) Onlookers 1) Eyers 2) Noters 3) Watchers 
Agencies, non-governmental organizations, and Governments not Parties to the Convention which are permitted to attend, but not vote, at meetings of the COP, the CMP and the subsidiary bodies. Observers may include the United Nations and its specialized agencies; other intergovernmental organizations such as the International Atomic Energy Agency; a...