Hi again Thomas ...
I have been following the steps in your tutorial ... but I keep hitting a brick wall :-(((
I have been working with the very same Deep Sky Object that you had used ( IC 2177 ) as well as a couple of objects that I am interested using images from WikiSky.
All goes well until I ask PixInsight to use the " ImageSolver" script and then ask it Plate Solve desoite me applying all settings that you show. I get a message saying that " no stars can be detected" ...
I will cut&paste the last bit of the log ....
Please check the following items:
- The initial coordinates should be inside the image. I( did the nessessary search for IC2177 and got the coordinates same as yours)
- The initial resolution should be within a factor of 2 from the correct value. (I set the scale of wikisky image and focal distance same as yours)
- Adjust the star detection sensitivity parameter, so that the script can detect most of the stars in the image without mistaking noise for stars. (Tried several different settings)
The catalogue should be matched to the image. Choose the appropriate catalog and magnitude filter, so that the number of stars extracted from the catalog can be similar to the number of stars detected in the image. ( Used UCAC3)
Any idea what I might be doing wrong ??? I did try changing the star magnitude settings to make it more sensitive ... no change.
Interestingly ... I have carried out the whole process using an old FITS image that I took a few months ago, instead of using an image from WikiSky .... this time PixInsight picked up the stars and I was able to produce the coordinates for a mosaic with no problems.
However ... I would ideally like to plan a mosaic in advance without the need for taking any initial FITS files of my intended object .... if possible.
Any suggestions what I might be doing wrong with the WikiSky images????