Open cluster NGC 7789 - 12 August 2010

Technical information:
Optics:Newton 36cm + Paracorr
Focal:1725mm (1500mm*1,15 due to comacorrector)
Aperature:4,8
Exposure:9x5 min
Date and time:12 August from 0:15 UTC
Location:Central Europe, Slovakia, Cadca, village Zakopcie
Atmosphere:clear sky
Pointation:own autopointer + webcam Logitech Pro 4000
Software:ImagesPlus + Photoshop
ISO/ASA:1600
Camera:modified Canon 350D
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