Robert’s Quartet is a compact group of four galaxies located in the southern constellation Phoenix. The galaxies – NGC 87, NGC 88, NGC 89, and… Read More »Robert’s Quartet: A Gravitational Showdown in Phoenix
Hickson Compact Group 90 (HCG 90) is a compact group of galaxies located in the constellation Piscis Austrinus (the Southern Fish). The group consists of… Read More »HCG 90 (Hickson Compact Group 90)
HCG 87 (Hickson Compact Group 87) is a group of galaxies located approximately 400 million light-years away in the constellation Capricornus. Three of the galaxies… Read More »HCG 87 (Hickson 87): Dance of Tidal Forces in Capricornus
Seyfert’s Sextet is a compact group of galaxies located approximately 190 million light-years away in the constellation Serpens. The group was named after American astronomer… Read More »Seyfert’s Sextet
Stephan’s Quintet is a group of four interacting galaxies – NGC 7317, NGC 7318A, NGC 7318B, and NGC 7319 – and a visual companion, the… Read More »Stephan’s Quintet