September 26, 2013 NGC 1023, a lenticular galaxy in Perseus Image Credit: Jeff Johnson (http://jeffjastro.com) NGC 1023 (also known as Arp 135) is a barred lenticular galaxy of more than 50,000 light-years across, located roughly 34 million light-years away from Earth in the northern constellation of Perseus, while it is receding from us at about [continue reading]