Imaging Optics | Celestron C11 at f/5.7 |
Mount | Celestron CGE-Pro |
Guiding Software | MetaGuide |
Guiding Mode | Off-axis guiding with Taurus mini tracker |
Imaging Camera | Starlight Xpress SXVF-H9 |
Guiding Camera | Lumenera SKYnyx 2-0M @ 8 fps |
Collimation | MetaGuide |
Focus | MetaFocus |
Exposure Time | 22x10m L, 6x10m RGB, 6x20m Sii - all at 1x1 binning |
Image Scale | 0.84" per pixel |
Raw FWHM | 2+ arc-seconds |
Image Processing | Images Plus, flats, bias, darks |
Processing Details | Sii filter used for Ha due to red shift (following A. Paquette). Calibration and DDP in IP, Maxim gradient removal, and PS LRGB combine plus overlay of Sii |
Image Acquisition | Maxim DL |
Other Software | NexRemote, PECTool |
Location | Hudson Valley, NY |
Date | November 12-13, 2010 |
Comments | Processing intended to bring out the Ha structure central to NGC1275, along with some of the filaments associated with the galaxy, visible on its lower left and upper right. |
Filter | LRGB and Sii for red-shifted Ha |