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Blog
Planetary opposition and Saturn in the spotlight
Discover Saturn's opposition on September 21, 2025, an exceptional astronomical event to observe the ringed planet under optimal conditions.
Planetary opposition and Saturn in the spotlight
Discover Saturn's opposition on September 21, 2025, an exceptional astronomical event to observe the ringed planet under optimal conditions.
The interstellar comet 3I/ATLAS : a unique visi...
Discover the interstellar comet 3I/ATLAS, its origin, its characteristics, and its scientific significance.
The interstellar comet 3I/ATLAS : a unique visi...
Discover the interstellar comet 3I/ATLAS, its origin, its characteristics, and its scientific significance.
Understand the different types of glass used in...
Discover the characteristics of BAK4, BK7, FPL-51 and FPL-53 optical glasses used in optical instruments and their impact on the quality of observations.
Understand the different types of glass used in...
Discover the characteristics of BAK4, BK7, FPL-51 and FPL-53 optical glasses used in optical instruments and their impact on the quality of observations.
Understanding the differences between roof pris...
Discover the differences between roof prisms and Porro prisms in spotting scopes and binoculars, and how to choose the instrument that best suits your needs.
Understanding the differences between roof pris...
Discover the differences between roof prisms and Porro prisms in spotting scopes and binoculars, and how to choose the instrument that best suits your needs.
Alt-azimuth or equatorial? Which mount should y...
Discover the differences between alt-azimuth and equatorial mounts to choose the one that best suits your telescope and your needs.
Alt-azimuth or equatorial? Which mount should y...
Discover the differences between alt-azimuth and equatorial mounts to choose the one that best suits your telescope and your needs.
The September 2025 sky: eclipses, oppositions a...
Discover the astronomical events of September 2025: eclipses, planetary oppositions, and passages of comets.
The September 2025 sky: eclipses, oppositions a...
Discover the astronomical events of September 2025: eclipses, planetary oppositions, and passages of comets.