WCS by DS9

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Mohamed Talafha

May 18, 2022, 7:37:51 AMMay 18
to astrometry
Hi All
i failed to use the WCS.fits result image from Astrometry.net to drop it in SAOImageDS9 software  , it was work but now it is not .  
I want to use the WCS coordinate on DS9 to show up the coordinate lines like the image attached .... 
any reason or help ?? 

thank you All 


Dustin Lang

May 18, 2022, 9:15:38 AMMay 18
to Mohamed Talafha, astrometry
Are you using the "new-image.fits" link, or the "wcs.fits" link?  The new-image is your original image with a WCS header added; the wcs file is only the WCS header (no image pixels), and DS9 can't open it.


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Mohamed Talafha

May 20, 2022, 12:40:22 AMMay 20
to astrometry

thank you my friend 
in fact, I used both nothing appears, unfortunately, I have been used 2 years ago and doesn't work, I don't know what happened ( new-image. fits) 
I will keep trying 
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