Object  M42- The Great Orion nebula


Date 2610/ 06
Location BayTop Observatory- Streaky Bay South Australia
Instrument Home built 10" Newtonian (Bob Royce primary) with MPCC coma corrector. System working @ native f4/ 1016 FL  1.35 arcsec/pixel- FOV  23.3x29.4
Mount Celestron CI700 controlled by a Mel Bartels Goto Control System with Vexta PK264m-01b motors with a pulley and belt system
Camera (CCD) Starlight Xpress HX916 monochrome with Atik manual filter wheel.
Exposures L: 8.6R:3.3' G:3.3' B:3.3'(rgb's 20 sec subs) Total exposure all images were unbinned, no dark frames removed. Sigma rejection combined. Luminance composite layered to the rgb composite in PS.

no guiding necessary.

Filters Astronomik Type II Clear:RGB
Notes/ Conditions

 This was my 'first light' image using my home made Newtonian. Conditions improved from earlier on. It still was a little unsettled. FWHM Average= 1.9.