M17 in Hubble Palette

m17 flatwip1

 

M17 catched with a C9.25 – Hyperstar III configuration, each of the Ha SII OIII channels is composed of 4 subs with an exposure time of 12 minutes each. Qsi wsg583 camera, Cooled CCD -15 degrees Centigrade.

Summer 2013, Puimichel