2I/2019 Q4 (Borisov) › Forums › Comets › gb00234, a bright interstellar comet? › 2I/2019 Q4 (Borisov) 29 September 2019 at 8:31 am #581411 Nick JamesParticipant IAU CBET 4672 announced that this comet has now received the 2I prefix, marking it as the second interstellar object butt he first to show definite cometary features. There are plenty of images of it in the section archive here.
