January 2005 Sky and Telescope comparison


NGC 6559 Nebula in Sagittarius

C-18 with ST-2000 CCD

Below portion at 100 %

Compare to Jan 2005 Sky & Telescope page 148 done with a professional 20" telescope at Kitt Peak Arizona.

C-18 image courtesy of Norma Rose Observatory, Queensland, Australia.

Link to previous S&T comparisons

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