Andromeda Nebula

Object info:
Common name: Andromeda nebula
Catalog code: M31; M32; M110
Object type: Galaxy
Constellation: Andromeda
Object size: 120'x30'
Object description: De helderste vlek in de nevel is sterrenhoop NGC 206. M31 bevat enkele tientallen globular clusters. Op deze foto's zijn ze er uit als sterren. De zwaktste globular cluster op deze foto is G71, van Mag 17.5. Zie http://astronomy-mall.com/Adventures.In.Deep.Space/ccd1.htm voor een zoekkaartje met G71.
Imaging info:
imaging date: 19 November 2009
Optics: AT 80ED
Effective focal length: 550mm
Camera & filters: Modified EOS 350D
Exposure & camera settings: 30x2.5min; ISO 1600
Imaging software: DSLRFocus 3.1
Mount: Vixen GP
Guiding details: autoguiding with PHD and 75mm+DSI
Image processing:
processing date: 21 November 2009
calibration frames: Darks & Flats from calibration library
stacking & calibration software: Nebulosity
Postprocessing: Background colour calibration and DPP in Nebulosity.
Gradient removal in Pixinsight LE 1.0.5
Local conditions:
Location: Stroe