Here is the H-a luminance:
Description
3x30 min 6 nm Astrodon H-a, 3x10 min Astrodon I-Series RGB all unbinned with STL11000XM at -25C. Calibrated with darks, sky flats and biases using CCDStack. Data acquisition by CCDAutoPilot2.53. RGB Tiff and H-a registered in Registar. Final processing in Photoshop CS. Gradient removal with GradXTerminate in PCSC.
Here is the H-a luminance:
Here is the H-a luminance:
Image Date: 11/23/2005
Details: Exposure Time: 3 hours total; 1.5 hrs H-a, 30 min R,G,B
Camera: SBIG STL11000
Telescope: Takahashi FSQ106N
Mount: Software Bisque Paramount ME
Details: Exposure Time: 3 hours total; 1.5 hrs H-a, 30 min R,G,B
Camera: SBIG STL11000
Telescope: Takahashi FSQ106N
Mount: Software Bisque Paramount ME