M8R-169
From The Stargate Omnipedia
Planet in the Pegasus Galaxy. Its ocean is encased under a thick sheet of ice. Two scientists from Earth, Moore and McNab, brought equipment to Pegasus to cut through the ice and study the ocean of 169.
KEY EPISODE
Grace Under Pressure - Equipment originally set aside for use on M8R-169 is cannibalized for Colonel Sheppard's rescue mission for a sinking Puddle Jumper.