False-color image of HD 12545, a binary RS CVn star with the largest starspot ever observed. The image, created using Doppler imaging, shows the starspot as a large, dark area compared to the sun shown for scale. A temperature scale in Kelvin is provided.

Astronomy Picture from 02/11/2003

A Giant Starspot on HD 12545

Source: https://apod.nasa.gov/apod/ap031102.html


#GiantStarspot #HD12545 #Stargazing #Astronomy #DopplerImaging #RS CVn #BinaryStar #Space #Cosmology #Astrophysics #Sunspots #BiggestStarspot