Object M83- The Southern Pin wheel
Info

M83 is a large face on spiral galaxy of Mag. 8 located in the southern constellation of Hydra.. It has a very bright nucleus surrounded by heavy dust lanes. Here you can see evidence of rich star forming regions, in the form of rich magenta/red knots.

Date Lum- 04 & 05/ 04/ 11 & RGB- 24 & 25/ 04/ 11
Location BayTop Observatory- Streaky Bay South Australia
Instrument Home built 10" Newtonian (Bob Royce primary) and an Antares 1/20th wave secondary with Televue Paracorr coma corrector. System working @ f4.6 (native F4/ 1016 FL)  1.315 arcsec/pixel- FOV  44.6x44.6 aprox.
Mount Celestron CI700 controlled by the SiTech servo Goto Control System with Pittman 8000 series motors. Pulley and belt system
Camera (CCD) Starlight Xpress SXVR-H16 monochrome with Starlight Xpress USB filter wheel.
Exposures L: 176 R:48' G:48' B:48'  (4min sub exposures all unbinned)     Bias and Flat frames removed.
Guiding  ST80 refractor F5 with a Starlight Xpress HX516 CCD. Mounted via a side by side accessory plate.  plate.                    
Filters Astronomik typeII anti halo LRGB 2" filter set
Notes/ Conditions

 Conditions- Average seeing and transparency. Heavy dew when taking the Lum. Conditions have been a little fuzzy with intermittent high cloud, especially when trying to collect colour.