Galaxy Zoo Talk
seems on this nice spiral to be a dark spot in center of nuclei
Posted November 13, 2014 2:55 PM
Thedark spot is an optical artifact caused by oversaturation.
Posted November 13, 2014 4:05 PM
thanks ElisabethB!! I've had them in my younger years caused by same 😉
Posted November 14, 2014 2:36 AM