I have always thought that NGC 7008, also known as the Fetus Nebula, is quite underrated.
Also, I really like NGC 7510, which is a surprisingly attractive little open cluster in Cepheus, and I think it deserves more attention.
Yes, Ngc 7008 (Tourmaline nebula…see image below) is one of my favorite planetary nebulas in the sky with the 22" dob. It's actually quite impressive in the 8" refractor.
Other DSO's that I feel are underrated would be:
Open Cluster - Ngc 2362 (looks like a bunch of moths flying around a bright light)
Glob - M-56 (sits in a wonderful rich FOV, and stars in the glob resolved in very modest size scopes)
Galaxy - Many of them out there, so lets go with Ngc 4088. In a larger scope, It's one cool galaxy (yes, a future GL video object)
Chesmont Astronomical Society - www.chesmontastro.org
Galaxy Log - http://www.youtube.c...65?feature=mhee
Galaxy Log Blog - http://galaxylog.blogspot.com/
HASB - http://www.haveastellarbirthday.com
Telekit (Swayze optics) 22" F/4.5 Dob
Homemade (Parks Optics) 12.5" F/4.8 Dob
TMB/APM 8" f/9 Refractor”The Beast”. One great DEEP SKY achro
ES 6" f/6.5 achro. Good one
Celestron Omni XLT 102 refractor.
Celestron 10x60mm Binos