M51 an extreme crop from a larger frame. Imaged with Pier 8, The 17in Planewave unguided with the L500 mount and Moravian 16803 G4. LRGB all 300s subs, 3hrs Luminance 4hrs each in RGB.
Processed with Pixinsight and Photoshop
Thanks for looking
Peter
Here is the artefact which had to be dealt with
Peter Shah - Collimation & Telescope servicing.
Visit my personal imaging website at astropix.co.uk
For Image Processing Tutorials
Contact: pete@ccdimaging.co.uk
We can supply your new high quality Newtonian or Dall Kirkham Astrograph
Peter Shah
Roboscopes Observatory Controller