I followed the slide player to get this one. He was tuned to open D maj.
Think drop D but go the distance..( 
(D A D Gb A D) 
 
Anyway.. thats it chord wise. 
 
intro rides on G 
 
          D               A 
goodnight moon, goodnight stars 
          B        A     G 
goodnight old broke down cars 
           D             A 
Im goin away, Im leaving soon 
          G      E              D     A 
Goodnight darlin, goodnight moon 
           D            A 
I dont know where I'll be 
           B       A      G 
And I dont know if I'll see 
          D            A 
Out the window of my room 
          G    E             D 
Shining down,      goodnight moon 
A          D 
Thank you, I'm gonna miss you 
G                         D 
when the night comes round 
A                         D                                            
thats when I long to kiss you 
         B       A    G      A 
with the moon shining on the ground 
 
Instrumental like verse  D A B A G D A G E D 
 
A          D 
Thank you, I'm gonna miss you 
G                         D 
when the night comes round 
A                         D                                            
thats when I long to kiss you 
         B       A    G      A 
with the moon shining on the ground 
  
          D               A 
goodnight moon, goodnight stars 
          B        A     G 
goodnight old broke down cars 
           D             A 
Im goin away, Im leaving soon 
          G       E              D     A 
Goodnight darlin, goodnight moon 
          G       E              ride G to outro 
Goodnight darlin, goodnight moon