©
Yongqiang Li: M45
©
Yongqiang Li: M42
©
Yongqiang Li: M45
©
Yongqiang Li: M42
©
Yongqiang Li: M42星云
©
Yongqiang Li: Sunspots
©
Yongqiang Li: SH-2 108
©
Yongqiang Li: M101