- Basic plan of the Milky Way - Surveying the Galaxy - Face-on
map overview - Introduction to the Milky Way Explorer - The
Cloud Hunters - The Star Sweepers - Things Unseen: The
Westerhout radio sources - The Avedisova catalog: A real
Hitchhiker's Guide to the Galaxy? - Avedisova glossary - Strange
new worlds - Commentary on the Galactic Plane - Hydrogen-alpha
commentary - Mapping hydrogen Eagle and Omega Hover your mouse
over each blue dot for the name of the object, or click on the
dot for a detail page. This map was created using the all-sky
hydrogen-alpha map produced by Douglas Finkbeiner from data
collected by the WHAM, VTSS and SHASSA hydrogen-alpha surveys.
The Eagle and Omega region is the largest and most active of a
number of adjacent massive molecular cloud and star formation
areas (which also include Ara OB1A, Scorpius OB1 - west and
Scorpius OB1 - east) that are located immediately across a large
gap inwards from the Orion Arc, and are usually described as
being part of the Sagittarius arm of th