High Resolution Astrophotography Messier 66 | M66 | NGC 3627 | Arp 16 - Galaxy in the Constellation Leo   Parameters -   Detector -   Filters -   Optics -   Mount -   Concept -  xs  ASI 290MM-C  none  Homemade Newton 305/1500 Telescope  Homemade English Yoke Mount  DIAVS