This is my current main set-up for imaging DSOs. It consists of a Meade LXD55 SN6 6-inch f/5 Schmidt-Newtonian OTA on a Vixen GP-DX equatorial mount with SkySensor 2000PC Goto supported by a Universal Astronomics surveyor's tripod (much steadier than the GP-DX's stock aluminum tripod). The guidescope is a ubiquitous Chinese short tube 80mm f/5 achromat. In this photo a stand-alone autoguider is being used with the guidescope. A diagonal was required because otherwise I could not focus the guider's sensor. (I could not source a short 1.25-inch extension tube.) Yes, I should have removed the scope's front dust cover before taking the photo!
PS. Several owners of Meade SN telescopes elected to replace the stock 2-inch rack-and-pinion focuser. I did not. I have had no issues at all with the stock focuser. I achieve accurate focus easily and the focus does not shift when the focus-lock knob is tightened. But I do need to remember to tighten it. Sometimes I forget.
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