Which IR filter is best to image planets?
There are many IR-pass filters on the market. Here is a short guide to help you pick one… or several…
Planetary ephemeris with WinJupos (I): getting started
WinJupos is well known for its functionalities about image processing. But its offers as well a performing module of ephemeris.…
A new red spot on Jupiter?
A second good night on Jupiter on December 7th, 2013, allowed me to image an old jovian feature that is…
