New week, old problems
Image problems followed me today!Part of the day was spent on the street solving a couple of problems.
R band flats. There are only 4 groups of images compatible with each other (but 2 are the same field, so 3 groups). Some bright stars, of the compact groups prevent me from using all the images for superflat ... so, some of the CCDs have just a few frames for flats, resulting on very poor flats. Play with rejection algorithms today, gonna play a bit more tomorrow and close this.
Also today we had our group meeting and afterwards more discussion about photometry with the students.
posted by Cris Da Rocha @ 8:18 PM
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