... Gallery . ... Asteroid 2012 DA14 . Asteroid 2012 DA14 made a close pass to the Earth on February 15, 2013. ... This movie was produced using the ATMoB's 10-inch Meade Schmidt-Cassegrain telescope located in the Clamshell observatory. I attached my ST-8300M CCD camera along with a focal reducer to the scope and this setup gave me a 40-min x 30-min field of view. ... Submitted by Al Takeda on 02/17/2013 21:45:36 . Picture Galleries . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...