Subject: IC434 / Horsehead Nebula
Author: Mark Hudson
Scope: WO ZenithStar 66 Petzval ED Semi-AP
Instruments: Mounted on an LXD55 mount with an SXV-H9 camera. Monochrome image take using an Astronomik 13nm Ha filter. An Orion Narrowband filter was used between the scope and filter wheel containing Astronomik LRGB Type 2 filters.
Exposure time: 28mins
Place & Seeing: Newcastle under Lyme, Staffordshire, UK. Seeing conditions were good 7/10, but still heavy light pollution (street lights 40ft away).
Date: 17th December 2005
Remarks:
Mount errors required the use of 50sec exposures summed to create the final image.

Website: http://www.millennium-observatory.co.uk