The Bubble Nebula

Our new house has plenty of land, reasonably dark skies, and a reasonable homeowner’s association… so of course I had to try building an observatory! It may sound crazy, but it does offer a lot of advantages: I no longer have to set up my telescope, wait for dark, polar align it, and run a…

There are two different clusters of galaxies in this image – the large galaxy you see is NGC 7331, part of the “Deer Lick Galaxy Group.” The smaller galaxies you see surrounding it (sometimes called “The Fleas”) are actually about ten times further away than NGC 7331. In the corner, you’ll see “Stephan’s Quintet,” a…

Seems I revisit this pair of galaxies, 12 million light-years distant, every year. Although they are close and bright as galaxies go, they are challenging targets for imaging – especially if you are trying to pull out the faint jets spewing out of the Cigar Galaxy on the right. This image represents over 25 hours…

This galaxy is only known as M74. At 32 million light-years away, it’s about as far as you can get for a halfway decent image taken from Earth. It is a “grand design” face-on spiral galaxy. Look closely and you’ll see a few more galaxies in the background that are much more distant, and therefore…

This week’s target was Thor’s Helmet (NGC 2359), an emission nebula in Canis Major a rather distant 12,000 light-years away. It’s formed by a Wolf-Rayet star in its center, which is a crazy-hot star whose immense stellar wind is bunching up and ionizing the gases around it in these complex patterns. It’ll probably go supernova…

In these short summer nights, I want to take advantage of every moment of darkness. Right now, the galaxy M100 is up in the hours before midnight, and the “Tulip Nebula” – formally SH2-101 – rises just as M100 sets. So for this past week, I’ve been imaging both objects. But no more clear skies…