Jim Burnell's CCD Images - NGC2237 in Hydrogen-alpha Light
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Hydrogen-α
NGC2237 in Ha
Object: NGC2237
Rosette Nebula - Emission Nebula
 Const.: Monoceros
Camera: SXV-H9 Scope: Tele Vue TV-60is Mount: Losmandy Titan
Filter(s): Hα Exposure: 5x8m TeleVue 0.8x Focal Reducer
NGC2237, the Rosette Nebula in Monoceros. This image is a stack of 5 eight minute exposures shot through a Hydrogen-alpha filter. The exposures were acquired using an SXV-H9 CCD camera on a Tele Vue TV-60 60mm f/6 refractor equipped with a 0.8x focal reducer. The exposures were calibrated, defect-corrected and stacked using AIP4WIN. This image has been resampled down from its original size of 1392x1040.
 
Hydrogen-α
NGC2237 in Ha
Object: NGC2237
Rosette Nebula - Emission Nebula
 Const.: Monoceros
Camera: SXV-H9 Scope: Tele Vue NP-101 Mount: Losmandy Titan
Filter(s): Hα Exposure: 9x8m TeleVue 0.8x Focal Reducer
NGC2237, the Rosette Nebula in Monoceros. This image is a stack of 9 eight minute exposures shot through a Hydrogen-alpha filter. The exposures were acquired using an SXV-H9 CCD camera on a Tele Vue NP-101 4" f/5.4 refractor equipped with a 0.8x focal reducer. The exposures were calibrated, defect-corrected and stacked using AIP4WIN. A few new experimental tools were applied to enhance the structure. This image has been resampled down from its original size of 1392x1040.