Different exposures of Orion

I posted in Singastro about how different exposures will show stuffs that are "hidden" to the eye.

15 secs

30 secs

1 min

5 mins

10 mins

Gamma cygni region (Punggai)

Retaken M31 with cooled EOS500D/FSQ85EDX

So far quite ok with this picture but kept feeling that it can be improved.
Taken in Punggai, Malaysia sept/oct 2011

Orion Nebula with the Running Man

Finally got my chance to capture this famous target for all astrophotographer
The Orion Nebula M42