Pluto

At 13th magnitude Pluto needs a modified webcam, no ifs, ands, or buts. It might be captured with an LPI, but that camera's lower sensitivity is likely to cause problems. Imaging Pluto is not as hard as might be expected, however. Since it's only going to be visible as a dimensionless star in amateur scopes, no Barlow is needed to enhance details—there aren't any to enhance. At f/3.3 or f/6.3 a modified webcam can bring back the former 9th planet in a stack of 10-second to 30-second exposures. The only hard thing about imaging Pluto, in fact, is deciding which dim star is the little world.

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