C/2013 R1 (Lovejoy) is a long-period comet discovered on 7 September 2013 by Terry Lovejoy using a 0.2-meter (8 in) Schmidt--
C/2013 R1 ( Lovejoy ) is a long - period comet discovered on 7 September 2013 by Terry Lovejoy using a 0.2-meter ( 8 in ) Schmidt--
When was C/2013 R1 discovered?
When was C/2013 R1 discovered ?
7 September 2013
7 September 2013