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    Question Need advice to connect telescope to exploradome



    Ok I am hopeful that I will have my Celestron 11” on the dx mount in the new exploradome this weekend after all the issues we have had so far. This is where I’m at. I have dome pro 2d azmiuth and shutter operation,ascom, maestro on my laptop. What exactly am I supposed to do next? Reading the directions it asks for offset point for north, west and vertical. What does that mean?

    The directions said I need a program to run them together. Is that separate from ascom and maestro? I also bought SkyTools3 a long time ago and it has an add on for telescope control do I need to buy that? I suck at math and these directions could be written in Greek for all that I can understand. Any advice would be greatly appreciated.

    After all this boy do i hope my scope still works! I lost my last dome in a freak storm and watched both of my scopes hit the ground and rained on. I have already replaced the motherboard that I bought from deep space products and the power cord. This weekend will be the first time I will have it up and running :fingers crossed:

    Thanks again
    Celestron CGEM DX 1100 EdgeHD - Zhumell 12" (Z12) Exploradome 10'6 round with dome, all automated

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    Default Re: Need advice to connect telescope to exploradome

    Dome synchronization is lots of fun! Don't ask me how I know!

    I don't know some of your software. I assume Dome Pro runs the dome. If it is asking for north/south, east/west, and vertical offsets, it sounds like it will handle the job of synchronization. What is Maestro? Does that run your mount?

    You say you have ASCOM, but it is more complicated than that. In addition to the ASCOM system, you need a separate ASCOM driver for each device. There are ASCOM drivers for domes, ASCOM drivers for mounts, even ASCOM drivers for cameras. So you need the ASCOM driver for your dome system, and the ASCOM driver for your mount. Chances are that your DomePro includes an ASCOM driver, so that is covered. ASCOM drivers for mounts usually come from the mount vendor.

    If you have all the drivers installed, then all that is left to do is to tell the dome software exactly where the centre of your mount is relative to the dome. It needs that information in order to calculate what dome azimuth corresponds to the current targeting of the mount.

    Start by noting where the centre of your mount is. For this purpose, the centre is defined as the point where the RA and Dec axes meet, somewhere inside the mount. The software needs to know exactly where that point is in the dome. Yes, it is kind-of somewhere in the middle-ish, but the software needs more precision than that.

    Since there is nothing to tell you where the centre of the dome is, you have to measure from the sides to find where the centre is. You also have to measure down from the top of the dome. So, if the inside diameter of the dome is 96 inches, the centre is 48 inches from the east, 48 inches from the west, 48 inches from the north, 48 inches from the south, and 48 inches down from the top. Then you have to tell the software where the centre of the mount is (where the two axes meet) relative the the centre of the dome.

    The software needs one more measurement, and that is how far the optical axis of your scope is from the centre of the mount.

    With all that information measured and set in the software, it will be able to compute where to aim the dome so that the slot is in front of the scope at all times.

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    Default Re: Need advice to connect telescope to exploradome

    Wow! Sorry I couldn't get back here sooner its been a bad migraine month. So it looks like I have some work to do to get all this together. I found the driver for my scope under ASCOM-standards.org I will try to get it all together this weekend. I really appreciate your response with all the great information you provided. I will let you know how it goes, thanks again.
    Celestron CGEM DX 1100 EdgeHD - Zhumell 12" (Z12) Exploradome 10'6 round with dome, all automated

 

 

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