Hi,
I have got interested in SGP AF from another post and so decided to take a look at your logfile.
I see two focus attempts. You are set for 7 data points with step size of 3 in the first attempt and 4 in the second.
| AF Run 1: Focuser at 5006, Step size 3 | ||||
|---|---|---|---|---|
| Step | FocPos | #Stars | HFR | Quality % |
| 1 | 5015 | 2 | 10.92 | |
| 2 | 5012 | 48 | 3.92 | |
| 3 | 5009 | 27 | 3.31 | |
| 4 | 5006 | 34 | 3.28 | 96 |
| 5 | 5003 | 59 | 3.65 | 91 |
| 6 | 5000 | 26 | 4.83 | 86 |
| 7 | 4997 | 9 | 5.83 | 80 |
| AF Run 2: Focuser at 5006, Step size 4 | ||||
| Step | FocPos | #Stars | HFR | Quality % |
| 1 | 5018 | 1 | 12.81 | |
| 2 | 5014 | 28 | 4.61 | |
| 3 | 5010 | 31 | 3.65 | |
| 4 | 5006 | 34 | 3.54 | 97 |
| 5 | 5002 | 28 | 4.78 | 93 |
| 6 | 4998 | 16 | 5.81 | 87 |
| 7 | 4994 | 6 | 8.01 | 83 |
I believe the reason that your AF runs are failing is that the the quality is below the default SGP target level. There is a way to change the target quality but I would need to do a search to find how this is done. {Smart Focus Lost - Frequently happening 3.1.0.313]}
I think the reason that you have such a low quality score is that on the first data point of each AF run you have a a suspiciously large HFR value .
As you say you seem to be starting at a pretty good focus position so therefore it is reasonable to expect the initial HFR value to be similar in value to the closing value i.e circa 6. This obviously is not the case!
If you have saved your AF packs (see Focus Control/Settings/Save Auto Focus packs) I suggest you take a good look at the opening image in each sequence to see if there are any clues. Perhaps you have a large backlash setting and your mount perhaps needs a longer time to settle.
Hope this helps
Mike