Steve, the SEDS site states the deformation of the outer regions is, evidently, gravitation interactions of M65 and M66. AJ Crayon Phoenix, AZ ----- Original Message ----- From: <stevecoe@xxxxxxxxxxxxxxxx> To: <az-observing@xxxxxxxxxxxxx> Sent: Wednesday, April 06, 2011 9:34 AM Subject: [AZ-Observing] Re: NGC3628 in Leo - #3 of the "Trio" Chris; A very nice image of a "famous" NGC galaxy. You captured the "dog bone" shape very well. I have always wondered what made the outer portions of the arms bulge so much? Good shot; Steve Coe > Hi all, > ? > While dim galaxies are normally the forte of my CCD setup, I was surpised > by the well recorded details and faint extensions I was able to pick up in > this one hour exposure for this low surface brightness object.? The very > thick central dust lane seems to have plenty of details to offer the > larger apertures, and I have also included a key map on an overlay on the > lower image to guide you to the fainter objects in this field. > http://www.schursastrophotography.com/xtiastro/ngc3628.html > Clear Skies, > > Chris > > Schur's Web Portal: http://www.schursastrophotography.com > -- > See message header for info on list archives or unsubscribing, and please > send personal replies to the author, not the list. > > -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list. -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.