SH2-165 (Sharpless 165 ) This bright small nebula picks up very well in red so the hydrogen-alpha filter does very well with this object. You really need a larger telescope for this one to pick up the finer detail that this object has. There are also very faint nebula clouds that will pick up with a wider field but these are really faint and will need a very long exposure to pick up enough single to show them off. No oxygen III picked up in a 15 minute exposure so I do not think this would make a good one for narrowband color. For a complete list of the Sharpless Catalog visit my main site at http://www.sharplesscatalog.com