Subject: M42
Author: Mark Hudson
Scope: WO ZenithStar 66 Petzval ED Semi-AP
Instruments: Mounted piggyback on an LX200 10?, camera SXV-H9
Exposure time: 20mins for Ha, 30mins for SII and 30mins for OIII. All images were unbinned.
Place & Seeing: Newcastle under Lyme, Staffordshire, UK.
Date: 11th January 2006
Remarks:
Due to heavy light pollution the narrowband filters of Ha, SII and OIII were used. The image was combined using Ha for Red, OIII = Green and SII = Blue. The Ha layer was also used as the Luminescence.