William Optics – a Red-dot Finderscope that Works
Red-dot finderscopes Just about everyone has used (or at least seen) a red-dot finderscope. The idea is wonderful – it’s a heads-up display that projects a simple dot out in…
Read MoreAccessories
Information about astronomy accessories
Using a mix of brands in a colour imaging train. Not as simple as you’d think.
The situation We have a client who has a ZWO ASI2600MC-Pro, which is a colour camera with an APS-C sized sensor. He found that he was getting flexure in his…
Read MoreBuilding 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