Pleiades

Object info:
Common name: Pleiades
Catalog code: M45
Object type: Reflection Nebula
Constellation: Taurus
Object size: 110'
Object description: This star cluster is dominated by hot blue and extremely luminous stars. The dust cloud that forms a faint reflection nebulosity around the brightest stars is in the interstellar medium that the stars are currently passing through.
Imaging info:
imaging date: 12 December 2010
Optics: Takumar 135mm f/3.5
Effective focal length: 135mm
Camera & filters: EOS 20D
Exposure & camera settings: 8x8min+24x5min@ISO 1600
Imaging software: Nebulosity 2.3.0
Mount: Vixen GP
Guiding details: Autoguiding with PHD and 200mm lens
Image processing:
processing date: 18 December 2010
calibration frames: 16 Darks@5min + 5 dark@8min
stacking & calibration software: Nebulosity 2.3
Postprocessing: Artificial flats using Pixinsight LE. DPP and colour balance in Nebulosity. Final stretching and noise reduction in DPP
Local conditions:
Location: Stroe
SQM-L value: 20.15
Temperature: -3