Re: Trending of comp stars

Posted by karenacollins on Apr 08, 2022; 6:31am
URL: http://astroimagej.170.s1.nabble.com/Trending-of-comp-stars-tp1874p1875.html

Based on your description, it sounds like one comp star is bluer and the average of all other comp stars, and the other comp star is redder than the average of the other comp stars. A comp star light curve will be flat if it has the same color as the average of all comparison stars you are using.

Karen