H-alpha Full Sky Map

• Overview of the 3 surveys
  
• Composite map and bit mask (4320x2160 pixels)
• Before / After
• Processing Summary
• Download Poster (12 MB gzipped)
• Get the Data

Find out more about: WHAM -- VTSS -- SHASSA

---

Douglas Finkbeiner, dfinkbeiner@cfa.harvard.edu