Software
IRAF - Image Reduction and Analysis Facility
NOAO is transitioning IRAF to an end-of-support state, and has taken NOAO’s IRAF distribution offline pending a final copyright and licensing review of the source code. Users interested in new IRAF installations during this review period may wish to consider the following two distributions:
Community Resources
- Astropy – Community-based Python astronomy software project
- AstroConda – STScI astronomy software distribution
- USVOA – US Virtual Observatory Alliance
- CFITSIO – FITS Library and compression tools
- WCSTOOLS – Image header utilities
- DS9 – Image display tool from SAO
- STSDAS/Tables – IRAF Packages from STScI
- PyRAF – Python-based alternative to the IRAF CL
- Gemini Data Reduction Software for observational data obtained with the Gemini telescopes
Last updated or reviewed March 1, 2019.
NOAO is the national center for ground-based nighttime astronomy in the United States and is operated by the Association of Universities for Research in Astronomy (AURA). under cooperative agreement with the National Science Foundation. If you would like information about solar astronomy, visit the National Solar Observatory. If you would like information about radio astronomy, visit the National Radio Astronomy Observatory.