Observations

Important files for BeSSeL:

Image of the Milky Way with measured sources (green), and sources which will be
measured in the next year (red). Green points are shown with their parallax
distance and errorbars (smaller than points for most sources). Red points use
their kinematic distance.

Milky Way (Illustration Credit: Robert Hurt, IPAC; Mark Reid, CfA, NRAO/AUI/NSF)