Re-processing and re-labelling 2nd LRO-H2 Milky Way Hydrogen-Line Map July 2025 on 26 April 2025 to correct labelling errors
My new map (below). In this new map, I felt that only two arms (Perseus and Outer Arms) could be labelled with confidence:
Map with labels:
Map without labels:
I used a map from Wikipedia to provide background professional data and correct labelling as below:
