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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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
Under or oversampling? A very rough guide
Sampling rates can make your stars good or blocky, especially if you zoom in. It all depends on a few factors like your focal length, the size of the pixels in your sensor, how good the atmospheric conditions are, and even how good your guiding is. This article shows how to get a combination of telescope and camera that will give you nice smooth stars under a range of conditions.