Original sentence: It is expected to maintain a magnitude around +8.5 throughout April into May, and passed 1.5 degrees south of the Double cluster in Perseus on April 23.The comet is not bright enough to be seen by the naked eye, but is theoretically visible through amateur telescopes, although it is quite small and does not yet have a visible tail
Edited sentence: However, it was harder to see than predicted, as it remained quite small and did not form much of a visible tail.It reached a peak magnitude around +8.5 in April into May, and passed 1.5 degrees south of the Double cluster in Perseus on April 23.The comet was not bright enough to be seen by the naked eye, but was theoretically visible through amateur telescopes