Thanks for the quick reply. Looked at logs and it's definitely an out of memory issue :- [2022-08-01T03:48:48.746 CEST DEBG ][ org.kde.kstars.indi] - Image received. Mode: "Normal" Size: 40368960 [2022-08-01T03:48:48.939 CEST INFO ][ org.kde.kstars.indi] - "FITS" file saved to "/media/astroberry/4311-BCAE/EkosImages/East Veil Nebula/East_Veil_Nebula/Light/East_Veil_Nebula_Light_60_secs_2022-08-01T03-48-48_231.fits" [2022-08-01T03:48:48.939 CEST DEBG ][ org.kde.kstars.fits] - Reading file buffer ( "38.5 MiB" ) [2022-08-01T03:48:49.703 CEST CRIT ][ org.kde.kstars.fits] - Debayed memory allocation failure. Required Memory: "115.5 MiB" Available system memory: 1.8101e+09 [2022-08-01T03:48:49.772 CEST INFO ][ org.kde.kstars.ekos.capture] - "Download Time: 1.92 s, New Download Time Estimate: 2.23 s." [2022-08-01T03:48:49.779 CEST INFO ][ org.kde.kstars.ekos.capture] - "Received image 231 out of 290." [2022-08-01T03:48:49.783 CEST INFO ][ org.kde.kstars.ekos.capture] - "Captured /media/astroberry/4311-BCAE/EkosImages/East Veil Nebula/East_Veil_Nebula/Light/East_Veil_Nebula_Light_60_secs_2022-08-01T03-48-48_231.fits" I do use stellarsolver and PHD2 for guiding. I'll try your suggestions as soon as I can get some sky to work with. hairbear.Read More...