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NGC 7293 The Helix Nebula


From the author of   Sizing Up The Universe


NGC7293

20:52 EDT, October 2, 2008
Starlight Express SXV-H9 on Takahashi FSQ-106N
Ha = 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)

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