Australian dealership for Rainbow Astro
Sidereal Trading is excited to announce that we are now the Australian dealer for Rainbow Astro. Rainbow Astro is a division of Rainbow Robotics, a professional mechatronics technology company that…
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The (mathematical) wonders of a solar eclipse
Eclipses have been seen as an omen by nearly every civilization. Being able accurately predict an eclipse would give a leader immense persuasive power. Ancient astrologers noticed that solar eclipses followed a pattern. Get it right and you’re in for a promotion. Get it wrong and things might not be so good.
Building a wide field deep sky imager for long exposure times
In this blog we put together a deep-sky, cooled camera and lens rig for wide-field autoguided imaging. We used components that fit together without having to drill new holes. This will go onto a go-to equatorial mount and give us long exposures with any camera lens. It also provides extra mounting points for autofocus motors, computers, or other components.
Encoders: what they are, do you need them, and if so, what type?
Now that Sidereal Trading is offering Paramount astrophotography mounts, we need to understand about the encoders that they use. Encoders are a way of telling your mount where it is pointing