WitrynaI have seen the secondary dew on open truss dobs and many of the larger models have dew heaters built into the secondary mirror. For DSOs and planets, your best option will be a dob, unless you have some unusual light pollution and climate conditions at your observing location. ... An 8 inch newtonian is essentially a dobsonian on an eq mount ... WitrynaKeep your Newtonian telescope running all night and free of dew. Secondary dew heaters wrap around the mirror and keep it dry. Available from Starfield Optics .
Kendrick Astro Instruments - dew removal, imaging …
WitrynaThe heating prevents formation of dew and is designed to fit directly to the glass of the secondary mirror. ♦ prevents formation of dew. ♦ suitable for Newtonian secondaries glued on a thinner stalk up to 45 mm diameter. ♦ outer diameter of heater: 75 mm x 105 mm. ♦ glued to the (freely visible) backside of the secondary mirror. WitrynaThe Solution – Dew Heater. Thousand Oaks Four-Channel Digital Dew Heater Control Unit. Thousand Oaks 1″x 15″ Heater Band (.94amp) for 2.5″ to 4″ Telescopes, used with 4-Channel DDHC Digital Heater Control Unit. PWM Dew Controller. AstroZap AstroZap Dual Channel Controller for Telescope Dew Heaters. bostwick community association
Ritchey Chretien secondary and primary mirror heaters
WitrynaPremier Heaters for dew removal are designed to keep electronic devices functioning and optics moisture free in humid and/or cold working environments. ... Secondary … WitrynaNewtonian Heaters Heaters for Secondary Mirrors and Primary Mirrors on Dobs and Newtonian telescopes. ... including Dew Heaters, Mounts, CCD Cameras, Focuser … Witryna17 paź 2010 · Hi I'm looking for a solution to the secondary dew problem on my Skywatcher 200p.I know a lot of people have the same problem and I have at the moment a home made dew shield that's been doing great but the other evening everything was so wet that even the Shield didn't help, though my guide scope... bostwick community centre london on