Azure, a north polar projection of the terrestrial globe within a laurel wreath argent. United Nations (12/1994 Laur)
(Fieldless) A cylinder sundial argent. Bruce Draconarius of Mistholme (10/2007 Caid)
(Fieldless) A quadrant argent. Smoking Rocks, Barony of (5/2005 East)
(Fieldless) An astrolabe per fess argent and Or. Magnus von Lübeck (9/2001 Anst)
Gules, a panther rampant guardant argent pellety maintaining an astrolabe Or, on a chief indented argent a scimitar sable. Sakan of Calafia (11/2011 Caid)
Gules, a tierce vert and overall on an armillary sphere Or an inescutcheon of the arms of Portugal. Portugal (12/1994 Laur)
Gules ermined, an armillary sphere Or. Brian Caradoc Walsh (9/1994 Midd)
Or, a quadrant gules. Gosfrei Kempe (4/2009 AnTi)
Per bend azure and vert, an astrolabe within a bordure embattled Or. Aleksandr the Traveller (6/1995 East)
Per bend embattled azure and gules, a Mogan David argent, and an armillary sphere Or. Gershom ibn Zabara (8/1979 East)
Per bend sinister azure and vert, in bend an astrolabe and a caravel argent. Leon the Navigator (1/2011 East)
Per bend vert and purpure, a bend Or between a unicorn rampant argent, armed, and an astrolabe Or, charted gules. Geoffrey of Salisbury (8/1989 AnTi)
Per chevron embattled gules and sable, two lion's heads erased contourny and an armillary sphere Or. Artemas de Grimsby (4/2007 Midd)
Per chevron gules and sable, a chevron rompu argent between two open scrolls and an armillary sphere Or. Enric Bongnier (3/2008 Meri)
Per chevron inverted azure and Or, an astrolabe and two needles inverted in chevron inverted counterchanged. Philippa Kempe (9/2008 Meri)
Per chevron throughout sable and argent, two open penannular brooches palewise, pins to base, an astrolabe counterchanged. David MacColin (11/1982 West)
Per fess argent and azure, a domestic cat sejant purpure winged vert and a quadrant Or. al-Yasamin bint Malik (6/2010 Aten)
Per fess azure and argent, a quadrant Or and a turtle vert. Robert of Berwyk (12/2008 Midd)
Per pale embattled gules and azure all semy of cogwheels argent, an armillary sphere and an anvil reversed Or. Toirdhealbhach mac Léoid (2/2012 AEth)
Quarterly gules and sable, a quadrant and in chief a pair of shackles conjoined by a chain fesswise Or. Godfrey of Argyle (6/2008 Aten)
Sable, a quadrant Or. Christoforo Antonio Passavanti (12/2000 Anst)
Vert, an astrolabe Or between four compass stars two and two argent. Safiya bint Hakim al-Khwarizmi (1/2009 Atla)
Vert, on a lozenge Or a celestial sphere azure marked argent. Brazil (9/1995 Laur)