He assigned the brightest stars 1st-magnitude status and the faintest 6th-magnitude status. In the mid-19th century, astronomers made this scale more rigorous by defining a difference of five ...

Eunomia passes near the 6th-magnitude star cluster NGC 1746 this month, which is the parent of several smaller groups and associations. Credit: Astronomy: Roen Kelly Let’s turn back to the south ...

That means you'll need either binoculars or a telescope to locate it, standing 1° due north of the 6th-magnitude star 24 Psc this evening (and remaining a similar distance from the star for the ...

He assigned the brightest stars 1st-magnitude status and the faintest 6th-magnitude status. In the mid-19th century, astronomers made this scale more rigorous by defining a difference of five ...