| 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 |
