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B33 Horsehead Nebula
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DWB 111
gamma Cygni region
GUM1
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M42 Orion Nebula
M42 and NGC 1977
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NGC 281
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NGC 2359 Thor
NGC 2467
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NGC 6960 Veil Nebula
NGC7008
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NGC 7635 & M 52
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NGC 6888
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Full resolution crop  Bubble

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NGC 6888 'Crescent Nebula' in Cygnus
Date June 25-26, 2009
Exposure HαOIIIOIII 120:120:120:120 (unbinned)
Camera STL11000M with Baader narrow band filters
Telescope ASA 10N f/3.6 on Losmandy G11 w/Gemini
Guiding External guide head with E-finder
Processing MaximDL, Photoshop CS3
Comments Hot and humid, camera temp -10șC

Click on image for full resolution version

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NGC 6888 'Crescent Nebula' in Cygnus
Date 11/1/2005
Exposure Hα  6 x 900
Camera SXV-H9 w/ Schuler filters
Telescope Takahashi Sky90 f/4.5 on Losmandy G11 w/Gemini
Guiding ST-4
Processing MaximDL, FITS Liberator, Photoshop CS, Astro Actions
Comments Clear and cool

Click on image for high resolution version

Click on image for high resolution version

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NGC 6888 Crescent Nebula in Cygnus
Date 7/19 and 7/20/2004
Exposure HaLRGB 120:40:15:5:15 (Ha used for Red and L - top)  (Ha+R 50/50 used for Ha and Red channels - bottom)
Camera SXV-H9 w/ Schuler filters
Telescope Takahashi FC-76 f/8
Guiding ST-4 guided on GM-8
Processing MaximDL, AIP4Win, Photoshop
Comments Hot and humid, high thin clouds passing 

 

                                    All text and images © Gregg L. Ruppel 1998-2010.