Observed from Earth in 2014 as it passed close to Earth's orbit
Split into two fragments in 1846
One of the most widely observed comets of the 20th century, visible in 1997
Observed from Earth in 2018 as it passed close to Earth's orbit
Discovered by the ATLAS survey program, visible in 2019
Discovered by the LINEAR program, visible in 2001
Discovered by the Near-Earth Asteroid Tracking (NEAT) program, visible in 2004
Known for being one of the brightest comets visible from Earth in recent times
Discovered by amateur astronomer Terry Lovejoy, visible in 2007
Observed from Earth in 2014 as it passed close to Mars
Discovered by amateur astronomer Leonid Elenin, visible in 2011
Discovered by amateur astronomer Alex Gibbs, visible in 2012
Passed close to Mars in 2014, studied by spacecraft orbiting Mars
