Western Veil Nebula

Object: ..... Veil Nebula - NGC 6960 - Narrowband false colour

Date: ..... 01.07.2011

Mount: ..... Losmandy G11 on Berlebach Uni-4c

Optics: ..... Celestron C11, 280mm Schmidt Cassegrain Telescope @ f2 (with Hyperstar3 lens asembly)

Filters: ..... Astronomik 12nm Ha and OIII CCD

Camera: ..... Sigma3200 with Neumann Filter Drawer

Chip temperature: .... -15°C regulated

Exposure: ..... Ha: 24x120s, OIII: 28x180s

Binning: 1x1

Processing: ..... Stacking (Lights, Bias, Darks, Flats), DDP, bloom removal, colour synthesis (R/G/B=Ha/OIII/OIII) and balance, sharpening; all with Imagesplus 4.25

Guiding: ..... Autoguiding with modified 8x50 finder scope, Meade DSI Pro and GPUSB/PHD

Comments: good seeing, medium transparency, no moon