Jim Burnell's CCD Images - NGC281 in Hydrogen-alpha Light Clicking on an image will display a high-resolution view.

 

Hydrogen-α
Object: NGC281 The Pacman Nebula	Emission Nebula	Const.: Cassiopeia
Camera: STL11000M	Scope: Tele Vue NP101is	Mount: Losmandy Titan
Filter(s): Hα	Exposure: 8x8m	blank
NGC281, the Pacman Nebula in Cassiopeia. This image is a stack of 8 eight-minute exposures taken through an Hα filter, using an STL11000M CCD camera on a Tele Vue NP101is. The exposures were calibrated, defect-corrected and stacked using AIP4WIN. This image has been resampled down from its original size of 4008x2672.

 

Hydrogen-α
Object: NGC281	The Pac Man Nebula - Emission Nebula	Const.: Cassiopeia
Camera: SXV-H9	Scope: Tele Vue NP-101	Mount: Losmandy Titan
Filter(s): Hα	Exposure: 8x16m	blank
The Pac Man Nebula, NGC281 in Cassiopeia. This image is a stack of 8 sixteen 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 defect-corrected, calibrated and stacked using AIP4WIN. This image has been resampled down from its original size of 1392x1040.