M51 - Whirpool Galaxy

Telescope: Skywatcher ED80

Mount: HEQ5 Pro

Camera: QHY8

Filter: IDAS LPS

Guidescope: Skywatcher 70/500mm

Guide with LVI SmartGuider

Exp. Time: 3 hours (9*20 min subframes)

Calibration Frames: 50 flat, 50 bias, 10 darks

Capture: Nebulosity 2.2.5

Stack: Deep Sky Stacker

DDP: Photoshop CS3

Date: 2 April 2010

Location: Ancient Epidauros