Archive | Astro DIY

DIY Laptop Shade

DIY Laptop Shade / Dew Shield

In this post, I will explain how to build a dual-purpose laptop shade / dew shield for a cost of approximately £20 (GBP). As explained in Dew Formation and Prevention, the simplest way to prevent dew forming on equipment is to shield it from direct exposure to the night sky. Using this shield will help to […]

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Observatory Planning and German Equatorial Mounts

Observatory Planning and German Equatorial Mounts

I am in the early stages of planning to build a pico-observatory for my imaging gear. My aim is to make it as small as possible in order to save cost and also to make it easy to build and maintain. There are a number of rough guides to building micro-observatories and pico-observatories on the […]

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12V LED Dimmer

A Cheap Multi-Channel Dew Heater Controller

Following on from my post about DIY Nichrome Dew Heater Bands, I’m going to show you how to build a cheap and effective dew heater controller. Whilst preventing dew formation is essential to avoid interruptions to the night’s imaging, we do not want to generate excessive heat as this can cause air currents in front […]

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DIY dew heater bands (wrapped around the dew shields)

Making Your Own Nichrome Dew Heater Bands

In my previous post about dew formation and prevention, I explained why dew forms on your imaging gear and outlined some simple strategies for combating it. Perhaps the most effective of these is to use a Dew Heater Band to keep your telescope optics just above the dew point. There are many commercial suppliers of dew heater bands, but they […]

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