_MAKE_BIAS_FROM_GROUP

Makes a masterbias from the current group of frames

This primitive makes a master bias from the current group. The primitive files the resultant bias in its calibration index.

This primitive is suitable for optical imaging instruments.
Processing only occurs for bias frames, and when the steering header MAKE_BIAS is true.
The bias is displayed.

The masterbias. It is called "bias_

<

instrument

>

<

UT night

>

_bin

<

Xbin

>

<

Ybin

>

" where

<

instrument

>

is the LCOGT instrument identifier and

<

Xbin

>

<

Ybin

>

are the binning factors in X and Y.

CCDPACK: MAKEBIAS; KAPPA: FITSMOD, NDFCOPY.