ASI678 Manual
13
8. Cleaning
The camera is sealed and comes with an IR protect window to protect the sensor from dusts and
humidity.
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. If it cannot be blown off, it is recommended to use cotton swabs and 99% anhydrous
ethanol to gently wipe the sensor.
We have very detailed instruction on our website:
https://astronomy-imaging-camera.com/manuals/How_to_clean_ASI_camera_and_redry_the_desi
ccant.pdf
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