NAME

nicskydark -- Make a sky/dark frame from a set of observations

USAGE

nicskydark

PARAMETERS

inputimages =

List of input raw images.

finalimage =

Output sky+dark image rootname. ".fits" will be appended. Sigma file, and .pl file listing # of rejected pixels will also be created.

(tempname = "temp"

Root name for intermediate files.

(dotidy = no

Delete the intermediate files when they are nolonger needed? Unless you are very confident of the reduction, "no" is recommended.

(dozero = yes)

Subtract zeroth read.

(setmcut = yes)

Set levels for masks from *_flt files that were produced in a previous reduction with nicfast or nicreduce.

(doskymask = yes)

make sky mask file?

(docomb = yes)

combine the final masked skydark frame?

(z= -2., z2 = 2.)

Values for display

DESCRIPTION

This script median combines a set of dithered multiaccum sequences to make a (sky+dark) frame. Objects are masked out by setting thresholds on reduced images from either nicfast or nicreduce.

EXAMPLES

TIME REQUIREMENTS

BUGS

SEE ALSO