Kyika Maizero

in the iraf imexamine task, if set wcs=world and press 'a' key, it can print image coordinates as well as wcs, for example : COL LINE COORDINATES R MAG FLUX...

Hi, When I run the tweakreg.TweakReg on HST WFC3 images (ib6w71kxq_flc.fits,ib6w71kzq_flc.fits, etc) to try to match the stars on them and to align the images with each other, I find...