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Make Your Own $2 Artificial Star For Telescope Collimation

By Khalid on 2019/02/17 - 21:39, last updated 2019/02/17 - 22:14

Contents: 
Astronomy
Tags: 
Collimation
Artifical Star
Telescope
DIY

An Artificial Star is a point source of light. It is used to simulate a real star indoors, so you can collimate your telescope's optics indoors and/or during daylight.

Commercial artificial stars, such as this Hubble Optics one, cost $25 or more, and their main feature is a small plate that has precision holes of 50 micron up to 250 microns.

You can make your own artificial star, which is very close in function to the commercial ones.

You can watch this short 4 minute video on how I did it, and read on for detailed instructions.

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DIY Low Cost Dew Controller

By Khalid on 2018/01/04 - 13:02, last updated 2018/01/11 - 10:56

Contents: 
Astronomy
Photography
Tags: 
Dew
DIY

If you use a telescope for astronomical observation or astrophotography, or a camera for night scenes, such as the aurorae, star trails, and the like, you must have experienced dew building up within an hour or less.

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DIY GOTO Telescope Controller With Autoguiding and Periodic Error Correction

By Khalid on 2017/10/22 - 18:17, last updated 2017/10/22 - 18:17

In these pages, I describe how to make a Do It Yourself (DIY) Telescope Controller. That is, a piece of electronics that would at a minimum drive motors on the telescope to track the sky.

The features should be:

Astronomy
Telescope
Controller
DIY
GOTO
PEC
Autoguiding
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