I noticed that there are some red spots in the images of time exposures I've taken of star fields. Zooming into the images, these are about a pixel in size and as seen in attached zoomed image are red. Picture taken with a Rokinon 135mm f/2 lens with a modest tracker and imo are quite good and sharp (I wonder if the Canon RF 70-200mm L zoom lens would be this sharp at 135mm). I decided to check a "blank" image with no camera lens attached but with the camera cap on with similar exposure settings as the astro shot (ISO-800 20sec) in fully manual mode. That "in the dark" photo shows quite a few similar pixel-size spots under those photo settings. Is this to be expected? They look like random "hot" sensor pixels. Doubtful they would be noticeable in regular camera photos but they are evident in star photographs .. most noticeably the red ones!
The web-page page below has 3 images with the original astro photo (25Mp L jpg) and the zoomed in view showing red "hot" spots (same as photo attached), and the "blank" shot. Clicking either full image shows the full image size in the web page and can be scrolled to see the spots.
Canon EOS RP Sensor Noise
So the question is will the sensor on the EOS RP (or any other modern FF sensor) have these types of spots on images?
