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 Lambda Centaurus region is a group of nebulae located at a distance of 2200-2500 parsecs, near to, or at the beginning of the Carina Arc. The star Lambda Centaurus itself is not part of the region - it is a foreground star at a distance of only 63 parsecs.