The long-awaited second edition of Wil Tirion's superb Sky Atlas 2000.0 offers 43,000 additional stars, with all positions now derived from the Hipparcos database. The Atlas opens out to reveal 28 ...

Comet Tsuchinshan-Atlas (Atlas A3 C/2023 ... The comet will get high and duller in the sky from now until Oct. 21 when it won’t be visible anymore. It hasn’t been to earth in 80,000 years ...