Jim Burnell's CCD Images - NGC2403
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NGC2403
Object: NGC2403
Spiral Galaxy
 Const.: Ursa Major
Camera: SXV-H9 Scope: Tele Vue NP101is Mount: Losmandy Titan
Filter(s): IR block Exposure: 32x4m
TeleVue 0.8x Focal Reducer
This image of NGC2403, a spiral galaxy in Ursa Major, was acquired using an SXV-H9 CCD camera mounted on a Tele Vue NP101 Imaging System, a 101mm f/5.4 apochromatic refractor specifically optimized for CCD imaging. A Tele Vue 0.8x Focal Reducer was also used. This image is a stack of 32 four-minute exposures that were calibrated, defect-corrected and stacked using AIP4Win Version 2. This image has been resampled down from its original size of 1392x1040.
 

NGC2403 - Gammalog Stretched
Object: NGC2403
Spiral Galaxy
 Const.: Ursa Major
Camera: SXV-H9 Scope: Tele Vue NP101is Mount: Losmandy Titan
Filter(s): IR block Exposure: 32x4m
TeleVue 0.8x Focal Reducer
This is the same image of NGC2403 as shown above, but stretched very hard using a Gammalog Stretch to bring out the spiral arms and faint background details.