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ASI224 Manual
12
8. Clean the camera and redry desiccant
The camera comes with an AR protect window, which can protect the sensor from dust and
humidity. Should you need to clean the sensor, it’s better to do so during the daytime. To see the
dust, you just need to setup your telescope and point it to a bright place. A Barlow is required to
see these dusts clear. Then attach the camera and adjust the exposure to make sure not over
exposed. You can see an image like below if it’s dirty.
The big dim spot on the image (at right ) are the shadows of dust on the protect window.
The very small but very dark spot in the image (at left) are the shadows of the dusts on the sensor.
The suggested way to clean them is try to blow them away with a manual air pump. To clean the
dust on the sensor you will need to open the camera chamber.
We have a 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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