DIY Intervalometer

I’ve built a simple DIY intervalometer for deep-sky imaging, to enable my DSLR camera to take a series of photos of galaxies and nebula. It features a rotary dial with preset exposure times. When used with an autoguider setup, the intervalometer allows taking unattended exposures, while the telescope tracks a galaxy or nebula.

DIY Intervalometer for a Canon 50D

Related link: View all home-brewed DIY astronomy equipment

Night Sky in Focus 
© Anthony Urbano | Bacoor, Philippines

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