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Essays
  Sunday, November 23, 2008

 

3towers Lunar 100

 

New Essays:

RR Lyrae Stars

Henrietta Leavitt

Astrophysics of Sunburns

 
 
New Grasslands Observatory Deep-Sky Images

 

 
Arp77 (NGC1097; Caldwell67) Arp68 (NGC7756+7757) Arp135 (NGC1023)  
       
M18 M24 M25 M26
       
Leo I (UGC5470) Leo II (UGC6253) M20 NGC4565
       
Markarian Galaxy Chain M9 M23 M63
       

M80

M107

NGC2903

Cocoon Nebula (IC5146)
       

Castor

Gamma Andromedae(Almach)

Polaris

M28