My second attempt at NGC 4755 - A hybrid image using a OSC Colour CCD for RGB data and a Mono CCD for luminance.

4 hours Colour Data with SBIG ST2000XCM & 3 hours Luminance with SBIG ST8XME
Data taken over 2 nights 4th & 5th March 2009

100ED at f9 - 1.7 Arc Sec Pixel - Losmandy G-11

Processed with CCDSoft5, CCDops, MaximDL and Photoshop CS3