Mike ZS66, ZS80, TV85, FLT110 Cats ETX90, C6, C8, C11 Mounts Panoramic, Nexstar, Eq-5, GP, Heq-5, CGE QSI 583wsg, Watec 120N+, Canon60Da,etc., etc.
Quote:you are getting about the same amount of star elongation regardless of whether your exposure is 5 or 20 mins
Quote:Looks like the consensus think it may be flexure...which is bad news as like I say everything feels solid, where is a likely place for this flexure?...can post a pic of the setup if it helps.
Quote:PS Bill (or anyone) Is there a good free download to do drift aligning using the guide cam (or DSLR) or webcam (I have a Meade LPI) and the PC screen?Or is it a matter of using the reticule eyepiece and checking after 15 mins?Tom
Jc ATM 10" F6.1, 1/25th wave spec (max wavefront error +/- 1/12.6 in zone 4 of 6, sodium light ), 6" F7 spec, 127mm F9.4 achro Refractor, Criterion DX8, 10 x 50 bin, SP mount/Synscan goto. ETX80 (finder) Canon 20D, PST DSI 1, Butenschön 125mm F13.4 refractor, diy spectroscope and curiosity