ASI462 Manual
11
7.
Cleaning
The camera is sealed and comes with an AR protect window to protect the sensor from dusts and
humidity. We don’t recommend customers to open the camera for cleaning. Otherwise, chamber of
the sensor can get wet which will cause the sensor getting dew when do cooling in the future.
To see the dusts, you just need to set up your telescope and point it to a bright place. A Barlow is
required to see these dusts clearly. Then attach the camera and adjust the exposure to make sure
not overly exposed. You can see an image like below if it’s dirty.
The big dim spot on the image (right side) are the shadows of dust on the protect window.
The very small but very dark spot on the image (at left) are the shadows of the dusts on the sensor.
If above situation occurs, it is recommended that the dust on the sensor surface be blew off with
air pump, and the remaining dust is suggested to be removed by the software after the flat field is
taken.
We have very detailed instruction on our website:
https://astronomy-imaging-camera.com/manuals/How_to_clean_ASI_camera_and_redry_the_desi
