Last updated on 10/26/2014

NGC 2239

 

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NGC 2239 Rosette Nebula in Monoceros
Date 3/8 - 3/13/2012
Exposure HaRGB  360:40:40:40 (Red+Hα 40/60, B+Hα 90/10, cropped)
Camera STL11000M with Astrodon Gen II filters  (Hα 5nm)
Telescope ASA 10N f/3.7 on AP600GTO CP3
Guiding Remote guide head with miniBorg 50 mm
Processing MaximDL, Photoshop CS5, GradientXterminator, Astro Actions, FatTail Decon (Vanderbei)
Comments Mild temps with nearly full moon for


  Ha image

0bject

NGC 2239 Rosette Nebula in Monoceros
Date 2/27 - 3/5/2010
Exposure HaGB 435:80:80
Camera STL11000M with Astronomik filters
Telescope ASA 10N f/3.7 on AP600GTO CP3
Guiding Remote guide head with miniBorg 50 mm
Processing MaximDL, Photoshop CS3, FITS Liberator, GradientXterminator, Astro Actions
Comments Cold but with steady seeing each night

Rosette Nebula (NGC 2237)
Click on image for full resolution
Click HERE for the Hα data

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NGC 2237 (Rosette Nebula) in Monoceros
Date January 25 & 26, 2007
Exposure HαSIIHαOIII  165:180:165:150 (all unbinned)
Camera ST2000XM with Schuler filters
Telescope Takahashi Sky90 @f/4.5 on Losmandy G11 w/Gemini
Guiding Self-guided
Processing MaximDL, PhotoshopCS2, AstroActions
Comments Moderate transparency and steadiness, first quarter moon high in the sky