Newforestgimp

excitiiiiing, TSO RC8 Carbon, now if anyone knows how to get the correct spacing & assembly order for reducer/filter drawer/OAG/DSLR I’d be eternally grateful 🙏🏼😉

Hi Bill, I have no means to print these but intrigued all the same , do you have a design for an RC8” ? & how much would you charge for making and posting ? regards Andy

Morning All, so on another thread where I posed the question about a suitable guidescope for an RC8 scope the feeling is I should really look at OAG. Which OAG should I look for ? My instinct is the ZWO on the assumption they’ve designed it for their guide cams. Which filter drawer ? The Altair m48/m48 I’m currently looking at. any recommendations and advice on setting up the image train appreciated. Clear skies Andy

Thank you 👍 Im coming round to OAG I think after doing some more reading this evening, so think I might be investigating which OAG & filter drawer to get. Thinking the ZWO OAG and the Altair filter drawer.

It does thank you, I will initially be using a DSLR, I had read that the 2” and a 1” extension tube will give correct focus. If I introduce a filter drawer into the mix do I then have to remove the 1” extender and replace with a 6mm extension if using your 19mm filter drawer as an example ?

Think I’ll give the 50mm a go first, good tip about underslung and out front mounting, I will look to do this. Do you use the reducer or straight through ? Filter wheel/drawer ? keen to understand what spacers I might need if I were to filter drawer &/or OAG

It has crossed my mind but not sure what’s involved in setup and the relative pros n cons ?

Hi, I’m about to take delivery of a TS-Optics RC8 and I’m looking for advice on a suitable guidescope. currently using WO 50mm x 200mm Uniguide with ASI120MM , hoping to move it across but if it’s not a good match what should I look for instead ? regards Andy

Hi & thanks. yes I’m no longer concerned it’s something be worried about on the mount, it was a shock to see a wildly bouncing graph out of the box. The only thing that seems to be apparent on the graph now is periodic error which I’ve read can’t be corrected while using AAP guiding. All part of the getting to know your mount process I guess. When our new puppy 🐶 no longer has a craving for electrical cables I may well revert back to a fully cabled laptop set up with PHD2 & APT. But for now wireless is what I need 🙂

Good, 5’ I can do, 5” would take all night ! is this relating to the theory that being slightly out on PA actually has a benefit when guiding ?

Hi, Regarding your suggestion for PA accuracy, you've said 5minutes was this intentional or did you mean 5 seconds ?

That’s really interesting, I too am getting the high PEC around 6” and when that passes it settles to around 0.8 RMS before again hitting what i assume is the PE. experimenting last night I was running on Guide rate 0.25x AGGR RA 20% AGGR DEC 20% (I have no option for min move on the AAP version of phd, only AGGR and guide rate.) Certainly not the usual advice of “just use the std settings”. this seemed to give a nice neat graph hunting the 0 line all bar the assumed PE peaks and dithers. Would be interested to hear what iOptron have to say.

That would be magic !! much the same here I have a very light set up currently which could also contribute to the minimal guide nudges required.

Thinking the same, I was getting fantastic guiding from the SW EQM-35 and expected better out of the box from the GEM45, with the responses here and further research it’s almost behaving as if the mount needs minimal corrections. It just seemed alien to drop the AGGR values down below 50% now I understand the logic a bit more I will start with very minimum values and build up rather than starting with standard and everything bouncing around. my hesitancy in using the guide assistant is it will no doubt suggest making changes to settings that aren’t available on the AAP version of phd.

Tbh I can’t remember entering a pixel size, I selected my guide camera ASI120MM and the f/l as 200mm as taken from the William optics site for the WO 50mm uniguide slide base.

Funnily enough I just found that article and it seems I was inadvertently doing what the article suggests, so I will make a more conscious approach next session with this article as a guide. currently at the standard 0.5x and 2000ms max I’m beginning to think that the mount is actually working VERY well with limited guide corrections required whereas at the beginning I thought the mount was a dud !!

I appreciate I could use Phd2 from the laptop and I may well return to that method and the suggestions the guide assistant would provide aren’t present in AAP, but the AAP works so well for everything else I don’t want to give up on it, and would rather persevere with it. As I say if I back the AGGR way off the graph looks much more reasonable but I’m not experienced enough to manually diagnose autoguiding to know if this is the right thing to do or if I should be looking at the guide rate, exp time or some other setting in AAP guiding.

Very well balanced, Ioptron doesn’t have any friction at all when axis are unlocked so balancing is not guess work, there is no guide assistant in aap guiding. PA was within 1min, not the best but not bad.

Morning All Im pulling my hair out (what’s left of it) with auto guiding an Ioptron GEM45 with ASIAIR Pro. when I leave the very limited settings available as std on the AAP guiding, 0.5x guide rate, 2000ms, AGGR RA 70%, AGGR DEC 100% performance is shocking !!! BIG sharp spikes above and below the 0 line for both axis. Anyone else had this issue and overcome ? The only way I could get reasonable guiding was to back the aggr WAY off in both axis !! This seems at odds with my other mount I was using that was a tuned eqm-35 pro that was impeccable on the std settings at around 0.5arcs RMS. Suggestions pleeeaase…

I think I only tried the 115600 (something like that) next time I set up I’ll try the others

Thank you, I can’t say I understand the reply as I’m a bit of an electrickery phobic, but I do own two couplers like the one you linked, but a looking forward one that I can run from the mounts distributed 12v supply, hence why I need a 5.5x2.1 input plug > voltage step down > dummy battery.

Yes sadly I’ve fallen foul of one of its foibles, it doesn’t like talking to Asiair so I have to go via usb hub from Air to Mount very frustrating but hopeful that situation will change 👍

Ah right, I guessed that’s what it might be, I’ve just made the switch from skywatcher to Ioptron so it’s a bit of a learning curve. thanks for the suggestions.

Thank you so much 🙏🏼 , when you say 1-1.5s integration ? I’m not familiar with that term ?