Cropped image of M100. Imaged with an ASA 10N astrograph (f/3.7) and STL11000M CCD using AstroDon Gen II filters; 6.3 hours total exposure
Our community is FREE to join. To participate you must either login or register for an account.
Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. View our Privacy Policy.
Astronomy Magazine