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By Andrew Bennett
I have a Skywatcher Newtonian telescope ( D:200, f:1000) The other day I noticed that the 'O' ring which was attached to the finder scope had broken. After a bit of digging around, I obtained what I believe is the correct size replacement ( 1.5 mm thickness, 52mm internal diameter). However, I can't see how it attaches to the finder scope ! Can anyone offer some guidance ? Many thanks in advance.
should I modify a logitech Webcam for planetary imaging or get that svbony 105 planetary camera. I don't know the image quality svbony camera . If the Svbony camera is better than a modified Webcam please tell me
which webcam is best for planetary imaging under 25 USD . If you have experience of any webcam for planetary work please help me out
I have had a real problem with my AZ EQ6 GT:
I have found that the MOUNT guide rate in RA is 1/3 the guide rate in DEC. EQMOD is set to 0.9 in both axis?? This seems to have happened when I tried guiding with AA& instead of the normal PHD2?
Is there a mount direct command to alter the RA guide rate. Bit like the mount commands to dim the polar scope and set park position.
You know one of these serial commands the no one ever uses??
All the best
Made a solar finder out of a spare skywatcher finder-scope using the pinhole camera principle.
Removed lenses, covered front with foil and added a pinhole with a needle. Held in place With elastic bands (could use something more permanent but this is very easy to replace). The lens cap still fits over the foil for protection when not in use.
On the rear I used some kitchen parchment taped to the inside of the adapter that holds the “eyepiece stalk” and added a crosshair.
Pinhole projection gives a solar disk about 3-4mm and whole thing is adjustable as per the normal finder-scope.
Tested yesterday and works a treat, I can now get the Quark on target without having to use the WL wedge with 25mm then 8mm to get it aligned first.