Reply To: Comet Halley › Forums › Comets › Comet Halley › Reply To: Comet Halley 9 December 2023 at 4:57 pm #620562 Grant PrivettParticipant It should be mag 25.5 according to JPL Horizons – that is within reach of the HST/JWST but the HST has had bad gyros lately.
