Astroimager Efrain Morales of Aguadilla, Puerto Rico, captured Comet ISON (C/2012 S1) on October 6, 2013, between 8h51m UT and 9h27m UT. He used a 12-inch Meade LX200ACF Schmidt-Cassegrain telescope at f/6.3 to which he attached an SBIG ST-402ME CCD camera and an Astronomik UR/IR filter. He then took nine 4-minute exposures and stacked them. He also included two negative images (bottom), the leftmost of which reveals two faint galaxies, PGC 1509685 and PGC 28008.
Efrain Morales Rivera