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Hello Nick - have you measured the periodic error of the mount - you can do this by running the Guiding Assistant for 5 or 6 turns of the worm (I have a G11, whose worm turns in 4 mins, so if you run

Ed, The comet tracking reference Brian provided above is for Gemini 1. Gemini 2 uses a different clock so the calculations will be different. I do not do comet tracking, but have a look at the

Hello everyone! I'm a relatively new owner of a used GM-8 Gemini 1 with the LW tripod, steel worm (not brass), and original worm block (not OPW). Also I have the old motors, not maxxon or tucked etc.

Thanks for digging a bit on this Brian. The reference you sent refers to the serial line protocol, which I investigated and it definitely suggests the command set for Gemini supports this if you know

Hi Geoff, I have never extended my HD tripods legs. And the stability is still awesome. About the only place the 12EX might not be a good idea is if you were using a Newtonian Telescope for

Bit of fun adding RGB color to a duo band mono luminance shot with a QHY9/FSQ106N. Technically the duo band is 34nm Oiii and 12nm Ha emission lines. I don't have any Ha/Oiii channels but had some RGB

Hi Ed, this page may be interesting to you, particularly the section on Coordinate Controlled Tracking. Looking at the Gemini interface, it's changed a bit so now you enter the delta RA and Delta DEC

Sonny, Have a Q about those 12" pier extensions... do you - or do some others - ever leave your tripod legs retracted as you use a 12" extension? I have thought of that as I have moved my observing

The Gemini ASCOM driver (and the ASCOM standard) supports setting variable tracking rates. It's entirely possible for software using ASCOM to set the Gemini divisor programmatically, so it's really

I’ve finally settled on the standard one leg to the north and the Gemini unit to the south (under the polar scope). Having the Gemini off to one side just bugged me aesthetically. It looked

Hi again, Bill. Yes, when assembling and using my GM811GHD, I tried different locations for the Gemini II, and decided I liked having towards the South, between the two legs, and a single Northward

Hi Ed I will look into this some more, but for the Losmandy Gemini, afaik training is the only way Gemini supports custom tracking rates. If you are looking to do something like import Horizons data,

Hi Brian - Thanks for the link. I am looking at a more ”production” oriented approach to asteroid followup that would preclude independently determining track rate by watching the object over 4 or

That is the way my GM8 is and I was a bit surprised when the G811 came differently. I *think* it came that way from the factory. I don’t recall putting the riser on myself, but possibly I did and

The main thing you will notice with the CW over the tripod leg, is that if you have the upgraded aluminum RA knobs to attach the RA to the tripod, the knobs will be close to the Az and Alt adjustment

I think i have that power supply too! it should be fine just try to isolate when and where the problem occurs. From what it sounds like, it's only when you are issuing to goto with both motors running

Russ, Look at the DIN sockets and you will see the round pin hole, and a linear slot too for each pin. There are metal fingers in the slots. You can get a thin nail or blade into the slot and push the

Good suggestion! That sounds safer and more effective than mechanically removing oxidation. I remember having a spray can of Radio Shack contact clean somewhere. If I can find that, I'll give it a

Thanks, Brian. My supply is a Pyramid 5-amp (7-amp surge), 12-volt supply set for 13.8 volts. I'll look into whether there is a voltage set adjustment internally for a higher input to the mount's

There is no "right way" as any of those work but the generally preferred and accepted "normal" way is to have one leg pointing north and the Gemini mounted to the opposite (south) side. it does not