Here are two questions for experienced visual observers.
1. What is the worst (least impressive) object in the attached list?
2. What would you replace it with?
I want a list of:
20 OC, 20 GC, 20 Neb, 20 PN and 30 Gxy
south of declination -20 deg.
Reference
http://www.klima-luft.de/steinicke/ngcic/ngcic_e.htm