I can only tell you what orchid Wiz says:
Light: Zns. Cynosure is composed of species of which 75% take medium light. Grow this hybrid in dappled light conditions.
Temp: Zns. Cynosure is composed of species of which 75% take warm temperatures, 50% take hot temperatures and 25% take cool temperatures. Grow this hybrid in warm to hot conditions, or 66°F to 85°F at night. It may be tolerant of cool (58°F to 66°F) night temperatures.
Water:40%-70% humidity. Water heavily during growth; Water just as medium starts to dry. Do not water during the winter if plant loses its leaves (deciduous). Commonly grown in pots. Fertilize heavily when actively growing. Common media: fine fir bark, amended with perlite.
It looks gorgeous!