Sir William Huggins obtained the first photographic spectrum of a comet (Comet 1881 III) on June 24, 1881, using a reflector telescope equipped for spectroscopy and astrophotography. Analysis of ...
Astronomers recently released a new image of the binary star system Eta Carinae's full spectrum, taken from deep in Chile's Atacama Desert. The image was captured with the newly installed SOAR ...