NGC 7635 The Bubble Nebula

Combination of image data from 2006 and 2016 (see below)

Richardson-Lucy Deconvolution

21:28 EDT, Sept. 7, 2016
Starlight Express Trius SX-694 on RC-10
Hα = 110 mins, O-III = 110 mins (in 10 min guided increments)
No darks, biases or flats.

Bright:

Dim:

21:40 EDT, October 21, 2006
Starlight Express SXV-H9 on RC-10
Hα = 240 mins, O-III = 120 mins (in 20 min guided increments)
No darks, biases or flats. Richardson-Lucy deconvolution, gamma stretch.

22:00 EDT, October 9, 2006
Starlight Express SXV-H9 on RC-10
Hα = 80 mins, O-III = 44 mins (in 4 min guided increments)
No darks, biases or flats. Richardson-Lucy deconvolution, gamma stretch.

03:02 EDT, September 2, 2005
Starlight Express SXV-H9 on RC-10
Hα = 86 mins (in 1 min unguided increments)
No darks, biases or flats. Richardson-Lucy deconvolution.