Author Archives: Alan MacRobert

About Alan MacRobert

Sky & Telescope senior editor Alan MacRobert has been covering all aspects of astronomy since 1982.

Supernova 1987A remnant, medium field

Happy 30th Birthday, Supernova 1987A

The first naked-eye supernova since the invention of the telescope lit up the global astronomy world on the morning of February 23, 1987, as news spread by phone and teletype. Supernova 1987A in the Large Magellanic Cloud eventually reached magnitude 2.9, before beginning a long fade and a cascade of unexpected developments that continues to…

You may need sunglasses for these rays

What to See with Your New Telescope (December 2016)

Maybe this gift-giving season you got a shiny new telescope to call your own. Congratulations — you could be on your way to discovering many amazing far things in the night sky. Although most of them are so far and faint that just finding and detecting them is the challenge! Whether your new scope is…