ACROSS

Calculate the visibility of celestial objects from selected instruments. Enter target coordinates and a date range to determine when and for how long the object will be observable.

Input Parameters

Observatory / Telescope / Instrument

Object Name Resolver / Coordinates (J2000)

Resolve Object Name to Coordinates

Object Name

RA: DEC:

Date Range

Begin Date/Time

End Date/Time

Optional Parameters

High Resolution

Minimum Visibility Duration (seconds)

Joint Visibility Calculator

Observatory / Telescope / Instrument

Object Name Resolver / Coordinates (J2000)

Resolve Object Name to Coordinates

Date Range

Joint Visibility Windows