Astro geolocation
48.81666667, 2.48333333
Location reference Astro Chart
Pierre Jules César Janssen (22 February 1824 – 23 December 1907), usually known as Jules Janssen, was a French astronomer who, along with English scientist Joseph Norman Lockyer, is credited with discovering the gaseous nature of the solar chromosphere, and with some justification the element helium.
Location name
Bourbon_Restoration_in_France
astro_wikipedia_url
astro_wikipedia_idname
Pierre_Jules_César_Janssen
a_location_idunic
Alfred_Grandidier/Pierre_Jules_César_Janssen