Mount for 100mm F/9 refractor
Posted 08 January 2013 - 10:55 AM
Lately though, the amount of vibration resulting from focusing or nudging the scope to track an object (especially at high power) is driving me crazy. Also, that is typically the scope I break out for non-astronomer guests. Then those issues are even more pronounced. I have to constantly kick people off the eyepiece in order to readjust. Guests also accidentally touch the OTA or whatever and cause many seconds of vibration, which ruins the experience a bit.
Would you all recommend one of the lighter EQ mounts? Perhaps some sort of fancier alt-az mount with gears? I need it to be light enough that lugging it out of the house for 30 minutes does not seem like a huge chore. However, I also need to minimize or eliminate vibration, either through an EQ system or with some sort of gears, etc.
So, thoughts? Thanks for the help.
Posted 08 January 2013 - 11:01 AM
Posted 08 January 2013 - 02:25 PM
Posted 08 January 2013 - 04:05 PM
Posted 08 January 2013 - 04:21 PM
Posted 08 January 2013 - 06:46 PM
Posted 09 January 2013 - 01:13 PM
Posted 09 January 2013 - 01:17 PM
CG5 works good...
I think the CG5 does not meet my portability criteria. I also like how the "poor" student recommended the most expensive mount of the bunch.
Posted 09 January 2013 - 03:52 PM
Don't laugh too hard at my home made tripod but I have an ED100 that came on a mostly unusable AZ3. I did away with the extruded aluminium legs and replaced with fixed wooden ones. Only a tiny bit heavier but it did turn a useless mount into an enjoyable one. The altitude worm gear still has some backlash but the mount does not jiggle when focussing or slewing.
To me that looks very nice. Maybe add some varnish that matches the tint of your window sills and it could just remain there when not in use and totally fit the decor.
Posted 09 January 2013 - 05:42 PM
Posted 09 January 2013 - 10:56 PM
People seem to charge a premium for Vixen Polaris because they are "out-of-print" these days. For the price of a VP I could get a Skyview Pro (on sale), which seems the better deal except that it is a bit less portable.