Messier 51 M51 NGC 5194, Canes Venatici (Whirlpool Galaxy)
-TSapo100q astrograph, Sigma APO 1.4x tele-extender, 100 x 812mm
-Modified Canon T3i camera, Astronomik CLS-CCD filter
- Celestron AVX mount, Orion 60mm F4 SSAG pro autoguider
-7 x 240 sec subexposures, iso 1600, 30 darks, 30 bias, 2x drizzle, 50% area crop, processed as RGG
-Software PHD2, DSS, XnView, StarNet++, StarTools v 1.3 and 1.7
Total integration time is only 28 minutes. I had been planning to get around 2 hours, but I lost an argument with clouds. Still, the image came out better than I expected.