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Lat: 2.2°N, Long: 127.2°E, Diam: 67 km, Depth: km, Rükl: (farside)

external image Gregory_LO_i_136_m.jpgGregory.jpg
left: LOI 136 M . right: LROC Gregory is the eroded crater at right upper center, with satellite Q adjacent to SW rim


LPOD Photo Gallery Lunar Orbiter Images Apollo Images
Gregory Q, the flat-floored crater adjacent to the southwestern part of Gregory's rim, was also captured on Apollo 16's panoramic ITEK-camera frame AS16-P-5520, made during Trans Earth Coast (TEC). In this frame, Gregory Q is visible near the terminator at left, touching the frame's lower horizontal margin.
Research Danny Caes


(LAC zone 65C3) USGS Digital Atlas PDF


Description: Wikipedia


Additional Information


James; Scottish astronomer, mathematician (1638-1675).
Perhaps... it might be interesting to add nephew David Gregory (1659-1708, Scottish mathematician and astronomer).- DannyCaes Mar 15, 2015

LPOD Articles


David Gregory, nephew of James Gregory, in the Sourcebook Project (William R. Corliss)

- Page 425 in Mysterious Universe, a handbook of astronomical anomalies (1979) :
  • The Moons of Mars (Roscoe Lamont, Popular Astronomy, 1925) (possible pre-1877 observations of both Martian satellites)