Come analyze HEASARC, IRSA, and MAST data in the cloud! The Fornax Initiative is now welcoming all interested beta users.

Viewing

Determine when or if an astronomical position can be viewed by a given space telescope.

Select one or more space telescopes:
Object Name or Coordinates:
	Use semicolons to separate multiple object names or coordinate pairs (e.g., Cyg X-1 ; 101.295, -16.699 ; 6 45 10.8, -16 41 58).
Name Resolver:
Coordinate System:

Web interface developed and maintained by Edward J. Sabol of the HEASARC.