Narrowband Imaging

M27, Dumbbell Nebula, HaOIIIOIII

M27, Dumbbell Nebula,  HaOIIIOIII

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.

Astronomy and Birding Photography