Guy Ottowell’s popular Astronomical Calendar, used by generations of amateur astronomers over 43 years before publication ceased with the 2016 edition, has returned as...
Takahashi has released a new field flattener design specifically for their TOA-130N and TOA-150B telescopes. The Takahashi TOA 645 Flattener features two fully multi-coated...
Sharpstar has announced its new Mark III German Equatorial Mount with a harmonic gear system. Weighing 8 kg without counterweights, Sharpstar rates its load-carrying...
Askar has released the FRA600 quintuplet astrograph, the largest of its Petzval refractor designs for widefield deep sky imaging. The Petzval design incorporates five...
QHYCCD has introduced two new cooled science cameras for short-wave infrared (SWIR) imaging, the QHY990 and QHY991, based on Sony’s new SWIR InGaAs sensors...