offset command


This page is part of the ING manual WHT-INGRID-2: INGRID IMPB Software Operations Manual



 
Usage: offset offs_sys ra dec
 
Category: TCS Command
 
Description: Offsets the telescope by a given amount in right ascension and declination. See the WHT TCS documentation for further details.
 
Arguments: offs_sys  is one of "ARC" or "TIME".

ra is in units of arcseconds if offs_sys is "ARC"; is in units of seconds if offs_sys is "TIME".

dec is always entered in units of arcseconds.
 

Examples: offset ARC 15 10 - offset telescope by 15 arcseconds in right ascension  and 10 arcseconds in declination.