Apologies to all for the long delay, today was the first chance I had to test the issue again.

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I created an imaging session for the star Vega which also underwent an automatic meridian flip. Whilst it looks quite small, the star is about 150 pixels off where it should be, which with my setup corresponds to about 10'. However the plate solving says the frame is within the 45'' tolerance that I set in the settings, which is clearly not true. I am using the latest version of Kstars and the latest firmware for the mount (iExos-100). I have attached logs from the session.

Thank you very much once again :)

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Thank you very much! I assume this requires the image files to be downloaded and do not come with the default installation? (when I enabled it in the settings no new images were shown)

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Hi all,

Sorry if this is a simple question but I'm very much a beginner.

I'm trying to get some of the most prominent nebulae/galaxies to display images in the KStars planetarium. I see every time I right click an object the option to "Download DSS image", but unfortunately my setup computer only has rare access to internet (it's an astroberry). As a result, I was wondering if there was a way to batch download many images of the most prominent deep sky objects?

I have tried installing catalogues (all of the optional ones in the setup wizard) but so far as I can tell these only show position/magnitude etc and don't come with an image attached.

Is there anything I'm missing?

Thanks!

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Cheers for the suggestion. Will try this when the clouds clear!

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Hi all,

I'm encountering a problem when I do a meridian flip with my telescope. After the meridian flip the location of the CCD FOV is not centred in the same location. This happens even after alignment when plate solving says the error is < 30".

It seems to me that the point to which plate solving syncs the telescope is not actually the centre of the CCD FOV. Thus when the image is rotated during a meridian flip the two FOVs don't overlap.

I have attached 2 pictures showing the problem below. Might anyone know what could be happening?

I am using an explore scientific iEXOS-100 as the mount.

Thank you very much in advance :)

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Do you have a guide scope? If yes what's the focal length? If you switch between primary and guide scopes in alignment, does this change the FOV value?


I also have a guide scope, focal length of 240mm and an aperture of 60mm.

When I switch from primary to guide scope it does indeed change the FOV value, but still not to the correct FOV

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Dear knro,

The focal length is 430mm, aperture of 73mm.
The camera is an ASI 294MC Pro with a pixel size of 4.63μm

All these values appear correctly in the settings.

I tried with multiple binning settings and all produced the same result, I've currently set it to 4x4.

I enabled logging and the logs show the correct FOV when the image is solved, but the FOV reported in the plate solving tab of Ekos and the Kstars CCD overlay are both giving a value (1/4 * 1/4 of that size).

Thanks for the quick reply!

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I have managed to successfully setup plate solving to work using the astrometry.net offline solver (on Mac OS).

The solved images have the correct position, but the FOV shown is exactly (1/4 x 1/4) of the correct value.

If I set the search size to automatically adjust in the settings, it always fails to solve the second image, as values far too small are automatically inputted!

If I use the online solver within Ekos it also gives the wrong FOV, but the website version of astrometry reports the correct value.

I have checked that the focal length and aperture are set correctly in Ekos, although I don’t see how this could make a difference, as surely the FOV is exclusively determined by the image itself.

Is there anything I’m missing/doing wrong?

Thanks!

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I'm having serious issues trying to get the CCD simulator to show any stars. When I take a picture it only shows noise and displays no stars. I did some digging around and another post suggested that I hadn't installed the GSC.

So I opened the install wizard and indeed I hadn't installed it! So I went ahead and downloaded the files (through the setup wizard) and KStars says that the program is now installed.

However I still get no stars showing up on the FITS Viewer. Any ideas what could the problem could be? Thank you very much!

(I am running Mac OS 10.14.5.)

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I'm having serious issues trying to get the CCD simulator to show any stars. When I take a picture it only shows noise and displays no stars. I did some digging around and another post suggested that I hadn't installed the GSC. ( indilib.org/forum/general/3169-osx-issue-with-gsc.html )

So I opened the install wizard and indeed I hadn't installed it! So I went ahead and downloaded the files (through the setup wizard) and KStars says that the program is now installed.

However I still get no stars showing up on the FITS Viewer. Any ideas what could the problem could be? Thank you very much!

(I am running Mac OS 10.14.5.)

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