Category Astronomy/Astrophysics Lessons

Astronomy/Astrophysics Lessons

How to Install IRAF (Image Reduction and Analysis Facility)

IRAF – Image Reduction and Analysis Facility is a product of the National Optical Astronomy Observatory (NOAO).It has been widely used in the astronomical community for reducing data in the form of images and spectra. IRAF works best in UNIX-based…

astroadmin
November 13, 2025
3 Comments

Astronomy/Astrophysics Lessons

Gazing at the Stars: Looking into the Past

Gazing at the stars above, do you know that you’re actually looking into the past? Light from the Sun takes about eight minutes and twenty seconds to reach Earth. That means the sunspots you see, the flares that erupt, and…

astroadmin
November 13, 2025

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