Worlds featured in Lovecraft’s stories:
Abbith
Aldebaran
Algol
Arcturus
Bel-Yarnak (Yarnak)
Celaeno
Corona Borealis
Cykranosh
Fomalhaut
Glyu-Uho
Haddath
Hyades
K’gil’mnon
Korvaz
Kr’llyand
Ktynga
K’yi-Lih
Kynarth
Kythanil
L’gy’hx
Mirkalu
Mthura
Ogntlach (Yith)
Pherkard
Pleiades
Rigel
Shaggai
Shonhi
Thuggon
Thyoph
Tond
Trifid Nebula
Urakhu (Haddath)
Vhoorl
Vix’ni-Aldru
World of Seven Suns
Xandra
Xecorra
Xentilx
Xiclotl
Xithor (Yilla)
Xoth
Yaddith
Yaksh
Yarnak
Yekub
Yilla
Yith
Ylidiomph
Ymar
Yuggoth (or Iukkoth) is the dwarf planet Pluto
Zaoth
Z’ylsm
Details here.
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