Pizza Dough Galaxy

There are billions and billions of galaxies in our universe and they come in all shapes and sizes. I kinda like the shape of this one known commonly as the Pizza Dough Galaxy or formally as ESO 510-G13. The Galaxy is located in the constellation Hydra, the largest of the 88 constellations.

Jupiter Ephemerides 2008

Open this post and click for a PDF of Jupiter Ephemerides 2008

Double Shadow Transit on Jupiter

Alas, I post this only as a teaser! Tonight (November 11, 2007) at 23:38 LMT (ADT) two of Jupiter’s Moons, Io and Europa, will pass across the face of the giant gas planet. Jupiter will have long set in the Western sky by the time the event happens but, if the planet were visible, we [...]

Solar System in November Updated

Solar System in November has been updated. Click on “WhatsUp” under Categories in the left panel to see the entire post.

Solar System in November 2007

I’ll be editing and adding to this post over the next few days so stay tuned!
Observations are for roughly Nova Scotia, Canada (Time in AST and roughly 45 deg N Latitude)
Sun
On November 1 the sun is just inside the western border of Libra and will move through Libra, through Scorpius and come to rest, on [...]

Measuring angles in the night sky

Many of the “What’s Up?” postings will make reference to angular separations of objects in the night sky. For example, you may see a listing such as “Spica 1.8 degrees North of the Moon” or maybe “Venus 3 degrees North of the Moon” or even “Venus is 28 degrees above the horizon”. So how [...]