NGC 7293 The Helix Nebula
From the author of Sizing Up The Universe
20:52 EDT, October 2, 2008
Starlight Express SXV-H9 on Takahashi FSQ-106N
Hα = 86 mins,
O-III = 54 mins (in 2 min unguided increments),
No darks, biases or flats.
Richardson-Lucy deconv. on O-III data (bad seeing in the blue)