M27 - The Dumbbell Nebula
From the author of Sizing Up The Universe
Aug 6, 2016.
Starlight Express Trius-SX694 on 10" RCOS at f/9.
Guide camera: Lodestar X2. Guide Software: PHD2.
Hα = 90 min, O-III = 80 min
R = Hα, G = O-III, B = O-III
(guided 10-minute subexposures).
Richardson-Lucy deconv, Log Stretch.
August 06, 2016 and May 16, 2016 and May 09, 2016 and Aug 14, 2015 and July 23, 2006.
Starlight Express Trius-SX694 and SXV-H9 on 10" RCOS at f/9.
Hα = 222 min, O-III = 312 min
R = Hα, G = O-III, B = O-III
(guided 10-minutes, 6-minute and 4-minute subexposures).
Richardson-Lucy deconv, Log-Log Stretch and Stretch in Photoshop.
21:26 EDT Aug 14, 2015 and 21:14 EDT July 23, 2006.
Starlight Express SXV-H9 on 10" RCOS at f/9.
Hα = 120 min, O-III = 168 min
R = Hα, G = O-III, B = O-III
(guided 4-minute subexposures).
Richardson-Lucy deconv, Neat Image, Stretch in Photoshop.
Click picture above for larger version
If the picture seems too bright or too dark,
try adjusting the brightness below.
Brightness: |
Best processing.
Less aggressive processing.
Darker background (might look better in a darker room).
21:14 EDT July 23, 2006.
Starlight Express SXV-H9 on 10" RCOS at f/9.
Hα = 64 min, O-III = 96 min
L = Hα+OIII, R = Hα,
G = O-III, B = O-III
(guided 4-minute subexposures).
Richardson-Lucy deconv, Gamma stretch.