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Hi,currently owned 70mm refractor, want to upgrade and many suggested me to get 6" dobsonian.
The only 6" dob i can find in my country is GSO 150mm/1200mm dob (https://www.opticaluniversescientificinstrument.com/products/gso-6-dobsonian-telescope), is this brand and specs ok?
My main targets is planet and moon, maybe some star, i wonder is it hard to imaging planets? ill be using ccd eyepiece connected to laptop.
I live in malaysia city area, very less likely i will bring the scope to darker area because its pretty far from my home,and the scope quite big, so its dobsonian suitable for minor light population?
I heard that that dobsonian can affected by weather and cooling the scope be a big issue?
hope expert can give some advice. thanks
By Geordie mc
LaserColli mkiii in good condition. Makes keeping your Newtonian scope aligned very easy. Comes still boxed. Only selling as I’m selling my scope and won’t need it. It takes 3 small button cell hearing aid type batteries. The existing ones are flat so you’ll need new ones. Some very small marks on the barrel as seen in picture which make no difference to its operation. I don’t have the instructions but I’m sure they will be online somewhere. If I find them I’ll include. I think these units go for around £85-£90 new. Happy to take £55 inc. postage from France. PayPal only please.
Just wondering what peoples thoughts are on the pro's and con's of the different types of mounts out there? Do Dobsonian mounts have issues on non-flat surfaces (like a garden) or can Equatorial mounts ever have issues getting out of line too easily?
Very happy with it! Wish the sky were clear, but as we all know, when we buy astro equipment, it's cloudy! Argh!
The telescope was collected from David Lukehurst at noon and then we travelled back to Cambridge.
John Nichol primary mirror: 37mm thickness, Suprax. Hilux coated. Optics 1/8 PV wavefront 1/27 wave RMS. Strehl .95. Secondary mirror: 62mm MA.
Here a few photos:
I'm tempted to go down the route of getting myself a brand new reflector... My friend's old Meade 114/900 is a good telescope, but I want something of my own and with a bit more light gathering power. To this end, I've been looking at a couple of different models and manufactures.
I must admit, the Skywatcher Explorer 130M floats my boat, as it's motorised with a speed controller.
Any thoughts or observations?🤔