Jim Burnell's CCD Images - Sharpless 2-155 in Hydrogen-alpha Light
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Hydrogen-α
Sharpless 2-155 in Ha
Object: Sh2-155
The Cave Nebula - Emission Nebula
 Const.: Cepheus
Camera: SXV-H9 Scope: Tele Vue NP-101 Mount: Losmandy Titan
Filter(s): Hα Exposure: 12x8m blank
The Cave Nebula, Sharpless 2-155 (Sh2-155) in Cepheus. This image is a stack of 12 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. The exposures were calibrated, defect-corrected and stacked using AIP4WIN. This image has been resampled down from its original size of 1392x1040.