spacettf:The invisible arms of NGC 1512 by strongmanmike2002 on Flickr. Via Flickr: This deep expo
spacettf: The invisible arms of NGC 1512 by strongmanmike2002 on Flickr. Via Flickr: This deep exposure of NGC 1512 in the southern constellation of Horologium reveals a complicated system of very faint outer arms that are not normally seen in visible light exposures. -- source link