Command |
Function |
AVERAGE par1-par3 |
computes average of images |
AVERAGE/WEIGHT par1-par3 |
computes average using normalized
images |
AVERAGE/WIN par1-par6 |
average of images using only
consistent pixel values |
BIAS/CCD value catalog |
Subtracts a bias value |
COMPUTE/IMAGE |
General image arithmetic |
COMPUTE/WEIGHT |
Computes weighting factors
for the average functions
AVERAGE/WINDOW and
AVERAGE/WEIGHT |
EXTRACT/CCD catalog |
Removes irrelevant columns |
MODIFY/COL par1-par3 |
adjusts low-sensitivity CCD-columns |
MODIFY/ROW par1-par2 |
adjusts low-sensitivity rows |
MODIFY/PIXEL par1-par5 |
replaces areas with a surface |
MODIFY/SKY par1-par5 |
computes a constant sky-background |