Sidereal Trading Pty Ltd sponsored events and star parties
Saturn’s 2024 opposition will be on 8 September. Around that time, its rings will appear to glow brighter than usual due to retroreflectivity. Soon afterwards, however, the rings will be edge-on and become entirely invisible.
Remember those horrible prickles in summer lawns? They’re often caused by Bindii, which have vicious spikes that stick a seed to your foot. The plant spreads itself using you as transport. Bill took a macrophoto of the Bindii using a WeMacro Rail and a reversed lens. You can see how nasty this creature is.
The Move-Shoot-Move Tridaptor phone holder is an all-metal holder which is adjustable in three axes. We tested some eyepieces with the holder and discussed some of the criteria you should use when deciding which one of the many phone holders you should choose.
An infinity corrected objective is a lens used for macrophotography. It looks very much like a microscope lens, and when you pair it with a tube lens it has quite a few advantages over more traditional macro lenses.
