Big-Dob and StarStructure DewBuster™ Controllers
Order Form

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The  Big Dob version was developed in collaboration with Markless Astronomics to give Big Dob owners a dew controller with built-in power distribution for  upper cage accessories. Markless Astronomics has developed a mounting bracket, power cables, and DewGuard wiring kits to make installing either DewBuster™ Controller simple. Contact Charlie Starks of Markless Astronomics for information and assistance with the mounting bracket and wiring for installation of the controller on your telescope. To order a Big Dob DewBuster™ Controller use the form below.
Differences between Big-Dob and standard DewBuster™ Controller:
  • Output configuration is 1 Left & 1 Right Temperature Controlled output, four Medium Power outputs, four 12V Power outputs. With the Big Dob DewBuster™ Controller mounted on the upper cage, the four 12V outlets can serve as a power distribution rail for accessories on the upper cage.
  • Since the Big Dob model is intended to be powered by your telescope's wiring harness, it does not have a power cord, it is powered  from the bottom Power Input RCA jack.
  •  The bottom Power Input RCA jack has an internal self-resetting solid-state 10 Amp PTC fuse (never needs replacement). 
  • An optional Cigarette Plug Power Cord is available for occasional use with a second Grab & Go telescope, but if you will always use a power cord then you are better off ordering the standard model DewBuster™ Controller and chosing "1Left+1RightTempControlled, 4MediumPower, 4PowerOutlets" configuration.
StarStructure DewBuster™ Controller:
  • The StarStructure version is the same as the Big Dob except the two lower right outputs are configured as Medium Power outputs. This configuration was selected by Mike Zammit at StarStructure so check with him if you have any questions about compatibility with your telescope. However I can customize the output configuration any way you like, simply fill out the order form below then reply to the email you receive with any questions.


Links for other order forms:       Standard DewBuster       Accessories      Fan Speed Controller
Newtonian DewBuster™ Controller Order Form
IMPORTANT: I WILL SOON BE BE LEAVING FOR VACATION AND AT THIS TIME I AM UNABLE TO ACCEPT ANY MORE ORDERS BEFORE MY DEPARTURE. THE FORM BELOW WILL ALLOW YOU TO SELECT THE VARIOUS OPTIONS AND SEE THE PRICES, BUT IT WILL NOT LET YOU SUBMIT AN ORDER. UPON MY RETURN AT THE END OF AUGUST I WILL RESUME ACCEPTING ORDERS AND IT WILL TAKE ABOUT 4 WEEKS TO BUILD YOUR ORDER.

Fill out the order form below and click SUBMIT ORDER. You will receive an automated email with a summary of your order and payment instructions if you wish to proceed. If you have questions you can reply to the email and I can make adjustments to your order so you only need to fill out this order form once. Your information will be kept completely confidential, it will never be shared with any other parties.

DewBuster™ Controllers are built-to-order which takes about 4 weeks.
Type yes to accept ACKNOWLEGEMENT:

DewBuster™ Controller:
Note that a maximum of 2 Sensor Cabless may be used at one time.

Standard SCT/Refractor Temperature Sensor Cable(clips to heater strip):


Newtonian Temperature Sensor Cable (for Secondary Mirror. See Installation Instructions):


Output Configuration (CLICK HERE FOR HELP):


RCA Plug to Screw-Terminal Adapters (use to connect +12V Outputs to your wiring):
RCA to SCrew Terminal AdapatersClick for more information

Power Cord:

NOTE: If you need a power cord and the Big Dob output configuration then order the standard model DewBuster™ Controller and choose "1Left+1RightTempControlled,4MediumPower,4PowerOutlets".

Optional Power Cords:

NOTE: If you need a wiring harness for your Dob then Markless Astronomics has wiring kits available.


Resistors (330-Ohm, 1/2W) for building home-made heaters:


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