i took few picture of saturn in RAW format , it look terible , but moon pictures are much better . may be for moon i have to low the ISO not sure . i cleaned the mirror as much as i could , i have no idea where these patches comes from , they are not from camera lens as i did took picture from camera , i do not use any eye piece . and when i saw by bare eyes , i do not see these marks on any of the mirror , i had cleaned the mirror lots of time , when i put my camera on telescope and i zoom in , i can see these patches , but when i do focus adjustment on the telescope , these patches do not have any effect , so look like these are not from primary mirror , otherwise i could see some impact while doing adjustment , not sure i am not professional , i am looking for help . i tried to clean as much as i could .
i use sky watcher 127 , new of this telescope cost around 300 pound and companies are charging like 270 pound to get this correct . its insane ,so i have no option to get it correct some how on my own , i will be very very thankful for any suggestion and guidance
kind regards