Simply equipment modifications
Have you noticed that some astrophotographs have diffraction spikes coming from bright stars? They’re caused by the secondary mirror holder in reflector telescopes. Spiders, as they’re known, can give you nice spikes, but if they’re crooked or uneven, the spikes can look horrible. Here, I’ll show you how to get perfect spikes.
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.
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.
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
