Celestron USB Cooling Fan for Dobsonian Telescopes

Providing a cooling solution for StarSense Dobsonian telescopes, the Celestron USB Cooling Fan helps cool the primary mirror to an ambient room temperature. It can be easily mounted onto the rear cell of the telescope and yields better-focused and clearer results. It works with any USB power source and does not require disposable batteries or an external 12 V power source.

Celestron USB Cooling Fan for Dobsonian Telescopes Key Features:

• Helps cool the primary mirror to ambient room temperatures
• Yields better-focused and clearer results
• Easy to mount onto the rear cell of the telescope
• Works with any USB power source, such as portable power banks
• Features an integrated storage clip to secure the USB cable
• Does not require disposable batteries or an external power source
• Uses comparatively less voltage than other models
• Uses comparatively less voltage than other models
• Compatible with other third-party Dobsonians and Newton reflectors
• Can be used with a reflector that has M4 x 0.7 mm threaded holes
• Provides a cable length of 120 mm
• Includes 4 M4 x 0.7 mm threaded holes in a square pattern

What's in the box?

• 1 x Celestron USB Cooling Fan for Dobsonian Telescopes

FAQs:

Can the fan be plugged into a power source while using the telescope?

The cooling fan can be plugged into a compatible power source while using the telescope prior to and during obersvations. A USB extension cable might be needed to use the fan while observing.

How is this fan constructed?

The cooling fan includes a grill, a fan, and mounting screws.

Which mounting threads does this fan use?

There are 4 M4 x 0.7 mm threaded holes in the cooling fan, arranged in a square pattern and spaced 71.5 mm apart.

Does it require disposable batteries?

It uses any USB power source including portable power banks, wall adapters and more. It eliminates the need for any external 12 V power source or disposable batteries.