Horsehead Nebula

Constellation: Orion        Distance: 1500 lightyears


Image spcefications:
Exposure: 170 minutes (17 x 10 minutes) on 1600 ISO, RAW format
Camera: Modified Canon 40D in coolbox
Instrument: TEC 140 with fieldflattener
Mount: Losmandy G11
Guiding: Vixen Guiding Scope 70S, with 2x barlow and SBIG ST-4
Image processing: ImagesPlus, Photoshop CS3
Location: Etoile St Cyrice, France
Sky Quality Meter: 21,29
Temperature: Ambient: 0° C / In coldbox: -8° C
Date: 6 february 2010
Higher resolution 2000 x 1313