My quick observations for Morgans Hill 24/04/09 are:~ There appeared to be a single dried mud track around the glyph, possibly early morning, whilst crop was still wet, I didn't see damaged crop, just the very occasional broken stems,  both factors consistent with few visitors. All the full circles swirl clockwise, whilst the crescents anticlockwise,  The crop appears to have the ‘dusty bloom’ intact throughout. The centre pieces are each splayed outwards,  with a single upright stem remaining in some...

Aside from the astronomy orbital indication,  The Triple Moon Symbol came to mind. It has many interpretations, although the common consensus is:~ symbol of the Triple Goddess A representation of the three phases of the Moon, the three phases of human life  and the cycle of all things.  As a symbol of the cosmic cycles it is also a representation of the process of life and death, reincarnation and rebirth The three moons, crescent, full and declining, is often linked to the triple goddess Brighid, also associated with Hecate, Selene, Diana the crescent moon represents the virgin, associated to birth, youth, new beginnings and enchantment;  the full moon is the mother, and it represents ripeness, sexuality, completeness and life;  the declining moon symbolizes old age, wisdom and rest, death and endings, Thus the cycles continues ad infinitum.

JIC