Major new sections
As promised many months ago, I've finally added two major new sections to the site.
First, there are 1280x1024 pixel detail maps that highlight 22 regions of the galaxy map, as described here. I tried creating 720x720 images as originally planned, but they did not seem large enough to cover the important regions. I hope that this will meet the needs of people who wanted more information together in single images.
Second, I have put up a full draft of my all-sky hydrogen-alpha commentary. The recent sensitive CCD hydrogen-alpha surveys have revolutionised our view of the night sky, and especially deep-sky nebulae. These results deserve to be better known. I've plotted the nebulae coordinates in the Galaxy Map database on top of Douglas Finkbeiner's all-sky hydrogen-alpha image. This reveals some amazing new information about many familiar nebulae.
The hydrogen-alpha commentary has a number of large images and is best viewed on a monitor with a resolution of 1280x1024 or higher. Over time I'll trim these images a bit to make this section easier to view on 1024x768 monitors as well.