M17 (Swan Nebula)

Distance from Earth:    5000 light years

                                                                                                                                                     Located in :     Sagittarius

Telescope:  RCOS    12.5"

Camera :  STL11000 (off axis guided)

Mount :           AP1200

Image date:  May 2009

 

   -- Filters used and total time--

Luminous  

Red             60 minutes

Green         60 minutes

Blue            60 minutes

Ha

OIII

SII