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Okay, now to get up to date you want to update to the current Gemini-2 release L6.1 and HC v1.63 which has some nice additional features.? AFAIK with your fresh L6.x installation you only need to

Thanks Ray - so, I have logs from the PEC off and PEC on runs. To me, it looks like this did the trick? This time, as Ryan suggested I used my imaging camera on the main OTA.

But then if the curves are good and results are not, invert the curve and reassess. If the curves are good inverting for most people does the trick.

The easiest way is to create a PEC curve on the Analyze tab and compare the amplitudes of the frequencies with PEC ON to those in the original log with PEC OFF. -Ray

Hi Michael, You shouldn't need to invert the curve in the latest build (v3.10.14), but you can configure the Invert Curve setting in PEMPro's Configure Scope/Mount window: -Ray

Seems like that's around 3"/pixel on your guidescope and about 1.42"/pixel on your OTA That really isn't as huge a discrepancy as I imagined... a lot of people have a 3:1 or 5:1 ratio between OTA and

Correct, you can skip/disregard that step

Ryan, on page 2 it says to set the servo encoder multiplier to 4, but I think that only applies to L6? [email protected]> wrote:

Well, my rig is as follows: Guider: 200mm, 2.9um Imaging: 784mm, 5.4um [email protected]> wrote:

Success! Thank you everyone again for all your help. I ordered a PIC2 programmer from Amazon (about $26). The stock ribbon cable pins it came with were too wide to plug directly into the sockets on my

I may have oversimplified the guidescope vs OTA comment in my last post since I'm not sure you posted what focal length your guide scope and OTA have. Apologies. If your guidescope is 500mm with 2um

You definitely want to shoot through the OTA. A guide camera through an OAG will be fine but if you are using a guidescope you are probably not doing any favors with the reduced focal length. I shot

So, in any case I am using my OTA not my guide scope for this? That could be problematic as my camera (Atik 383l+) has a fairly slow shutter (1 second minimum exposure) and a slow USB connection

If you use your imaging camera you may have to set it to bin2 or bin4 in PemPro. My asi290 guide camera is far better than my 2600 for PemPro, but I put the 290 on my OTA.

Well, right off the bat I see a problem. I was using my guide camera instead of my imaging camera :( [email protected]> wrote:

Thanks for the tips and encouragement, Ryan. I'm still on L5 but I'll read through the PDF. I intend to send my Gemini in for upgrade after the new moon period is over. It's good to know this will

Hi Ray, didn't know if I'd find you in this group ;) So, I did those steps however, I am a little confused about step 4. In PemPro, I enabled PEC and then started another data acquisition for 2-3

Does the GM811G require you to invert the curve before uploading it??? My recollection is that it does, but I'm not 100% sure.

Hi John, First things first. Let's confirm you did the following: 1. Ran the calibration wizard. 2. collected multiple worm cycles with PEC OFF 3. Created and uploaded a PEC curve 4. With PEC ON

John, The instructions Ryan points out are for the L6. Compare and lookup instructions for a Gemini 2 to be clear. Ryan is correct. It takes a little practice to get PemPro’s PEC working, but when