A temporary pointing offset.

Input Format:

A sexagesimal number between -360 and 360 degrees, inclusive.

Operators:

-a

The unary minus operator changes the sign of its operand.

Use with do-loops:

When a PointingOffset variable is used as the dependent variable of a do-loop, the associated loop increment is specified as a Sexagesimal constant.

Context:

While tracking a source, the telescope can be offset both in azimuth, elevation, deck angle, and in Right Ascension and Declination. This is accomplished via the offset commands.