M45 - The Pleiades (monochrome version)
Location :
Optics :
Filter(s) :
Mount :
Optics :
Filter(s) :
Mount :
Landgraaf
TMB 80/480 @ f4.8 (TeleVue TRF2008 FR&FF)
Baader UHC-S
Losmandy G-11
Autoguiding :
Camera :
Exposure info :
Total Exposure :
Camera :
Exposure info :
Total Exposure :
Atik 1HS, Vixen VMC110L & PHD Guiding
SBIG ST-8300M
27 x 600 sec
4h 30m
SBIG ST-8300M
27 x 600 sec
4h 30m
[ Other resolutions/versions - or click the image for maximum resolution available ]
Higher Resolution 1600 x 1200 Pixel (431 kB)
Maximum Resolution 2000 x 1500 Pixel (576 kB)
Additional notes and remarks:
Object info
M45 is a star cluster which was known already from pre-historic times. At least 6 members are visible to the naked eye, while this number increases with better observing conditions.This cluster actually contains over 500 (mostly faint) stars. The cluster also known as the "Seven Sisters", is dominated by mostly hot blue stars and lies at a distance of 440 light years.
Processing
All separate frames were calibrated, aligned and stacked in ImagesPlus 2.8.
Photoshop CS4 was used for further processing - curves adjustment, levels adjustment, etc. Noal Carboni's Astronomy tools were also used.
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