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IRAF’s flatcombine and darkcombine relation with ccdproc

Flatcombine and Darkcombine (based on imcombine both) in IRAF just combine the images given as input to create a master flat / dark image without performing any normalization. This is done when using ccdproc with the parameters flatcor and darkcor set to yes.

DSLR processing and photometry for epsilon Aurigae with IRIS

Prepared for the CitizenSky.org ‘s DSLR tutorials (with the help of bikeman and Roger_Pieri). CitizenSky.org is dedicated to the eclipsing binary epsilon Aurigae, but the procedure is more general and can be applied to any star. ~ ~ ~ For easiest use download the last version of IRIS 5.58 (especially for any Linux user because […]