二重星団
Web Site七ツ星 Optics:Takahashi Epsilon 210 C Astrograph. Mount:Takahashi NJP Temma.
Camera: EOS Kiss D_IR- Blocking Filter Removal.Light-Pollution ReductionFilter:IDAS LPS-P1.
Dates:Sep 9 2005 ISO 800 2 Images 4 Minutes. Location:Light Pollution Area.