Quasar APM 08279+5255: a low-res spectrum and redshift
After the very positive results with quasar 3C 273, we tried to get a spectrum of APM 08279+5255. This quasar is shining at mag. 15.2 and is located at a distance of 12 billions...
After the very positive results with quasar 3C 273, we tried to get a spectrum of APM 08279+5255. This quasar is shining at mag. 15.2 and is located at a distance of 12 billions...
– Comets C/2025 A6 Lemmon & C/2025 R2 SWAN 2025 flyby (20 Oct. 2025)