Narrowband Imaging

Date: November 18, 2007

Telescope: NexStar 8 GPS f/1.8 Alt/Az mount

Camera: Meade DSI pro

Exposure: 22 1-min subframes (22 min total) H-alpha and 25 1-min subframes (25 min total) Oxygen III unguided.

Comments: HyperStar lens, Astronomik 13nm Hydrogen-alpha filter and 13nm Oxygen III filter. Black and white Ha used for red channel and OIII for both the green and blue channels using Noel Carboni's Astronomy Tools.