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8-inch F5 Newtonian Astrograph
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Protostar 4-Vane Spider & ULS Quartz Secondary Mirror
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The spider I ordered from Protostar features a couple of bells and whistles. It comes with an integrated dew heater that runs off a 12V powers source of my choosing. Two of the vanes actually act as positive and negative conductors. Wires can be attached on the outside of the tube and then run to the power source. In my case I'll be using a standard RCA plug so I can connect the integrated secondary dew heater right alongside my other dew heater strips (for guidescope, telrad, etc).
The second enhancement is built-in offset. I simply took the offset amount provided by NEWT and requested that Protostar build it into the spider. This is a standard option they offer and well worth it IMHO.
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All projects on Shareaproject.com are user-submitted and should be used for reference information only. The projects are not intended to be complete "How-To" articles. Use the information contained in these projects at your own risk. Projects are not checked for completion, accuracy, or safety and therefore cannot be guaranteed in any way.
Outdoor Blog
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