Posted 18 February 2013 - 09:29 PM
I observed NGC1535 for the first time about a month ago, on 1/3/2013. It is mentioned in Sue French's Deep Sky Wonders, Stephen O'Meara's Hidden Treasures, and Martin Griffith's Planetary Nebulae. All concur in that it is an easy object to find, but none state that seeing any detail is easy. In his compendium on planetary nebula observations, Rainer Topler states detail is obvious in a 14" scope at 480x, and use of an OIII filter improves detail in the interior portion of the nebula.
I observed it at 9:30pm PST through my C6. It was low above the SSW horizon, strongly affected by light pollution, yet it was easy to find, even by star-hopping. It was obviously non-stellar at nominal 60x, but fairly small. At a nominal 150x magnification, I thought I saw some condensation (i.e. brightening) towards the center, but this may have been due to the presence of the central star. I was not able to discern the star.
This object will definitely be worth a second look (next year... it is too low in the sky for me now).