Author Archives: Bob King

Bob King

About Bob King

Amateur astronomer since childhood and long-time member of the American Association of Variable Star Observers (AAVSO), Bob King also teaches community education astronomy and writes the blog Astro Bob. The universe invites us on an adventure every single night. All we need do is look up. Check out my forthcoming book "Night Sky with the Naked Eye" (on Amazon and BN) about all the great things you can see at night without any special equipment.

Stellar Fingerprints

Spectral Types For Spring Nights

Hidden within the subtle hues of the stars are the keys to their temperatures and compositions. Get acquainted with the classic OBAFGKM spectral sequence through real stars you can see on a spring night.

What - No Meatballs?

Picking Plums in the Galactic Anticenter

In winter, we face the Milky Way's anticenter, a little-explored region offering goodies for telescopes both large and small. Few give much thought to the Milky Way's anticenter, a lonely locale 180° opposite the busy metropolis of Sagittarius, where the summer Milky Way glitters like Vegas. On winter nights, Sagittarius lies behind us, hidden by Earth's bulk. Step outside around 8:30…