Ngc 7640
Optics Schmidt-Cassegrain 12" - F 10 Focal 3048 mm Mount Gemini G40 Camera SBIG ST-2000 xm Filters SBIG Standard LRGB. Dates Ottobre 2005. Location  Acilia (Roma) Exposure LRGB = 435:120:75:120) minutes. Acquisition  CCDSoft, TheSky6