TWEAKREG: Image Alignment
Combining images using AstroDrizzle requires that the WCS information in
the headers of each input image align to within sub-pixel accuracy.
The TweakReg task allows the user to align sets of images to each
other and/or to and external astrometric reference frame or image.
drizzlepac.tweakreg Module
TweakReg - A replacement for IRAF-based tweakshifts
- Authors:
Warren Hack, Mihai Cara
- License:
Functions
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Tweakreg provides an automated interface for computing residual shifts between input exposures being combined using AstroDrizzle. |