It's alive!! The #echellespectrum of #HARPS3 achieved on-site at the #IsaacNewtonTelescope for the first time! Soon to be on-sky, hunting for #Earth-Twin #exoplanets
(Halogen spectra re-imaged to a phone camera)
#RoqueDeLosMuchachos #IsaacNewtonGroup
#UniversityofCambridge
@terrahunting.bsky.social