June 15-16 2012, M51

M51 (NGC5194/5) The "Whirlpool Galaxy" in Canes Venatici
Distance: 23 Mly

Date acquired:  June 15-16 2012
Camera: Starlight Xpress SXVF-H9 2x2 binning 696x520 pixels

Guider: Starlight Xpress Ex-View off-axis.

Scope: Astrotech 10" RC @ F8 (2000mm)
Guide Scope: Zenithstar II 80mm  @ F6.8 (545mm)
Mount: Celestron CI-700

Filters: Astronomik Clear type 2c, in combination with Idas light pollution suppression.

L= 20x2min. 40min. total
F.O.V. = 15.3' x 11.4' @1.32 arc"/Pixel



DDP Stretched only



DDP & Log Stretched