Robert’s Quartet
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
Seyfert’s Sextet
HCG 90 (Hickson Compact Group 90)
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)
Seyfert’s Sextet
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
Copeland’s Septet
Copeland’s Septet, also known as Hickson Compact Group 57 (HCG 57) and Arp 320, is a group of interacting galaxies located in the constellation Leo.
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