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Found 2 results

  1. My first attempt at the Crab Nebula. The image is an LRGB with an Ha blend into the lum and red channels and represents about 14 hours integration time. Alan LIGHTS: L:14,R:16, G:8, B:14 x 600s, H:11 x 1800s.
  2. Sometime last year after completing a long session on the Crab Nebula, I turned my C9.25 to it and took a 20 minute Ha exposure at F10. The little bit of detail that came through made a big impression on me, and so I planned a kit upgrade to get a proper image done at that scale. One C11 EdgeHD and Atik428ex later, here's the result. My EQ6 is working at its limit, but performing admirably under the pressure of providing a stable platform for a rig running at 2800mm focal length. The resolution is really pushing it too, 0.67 arcsec/pixel, but I wanted to see what the scope could do, so any time there was a clear hour or two, another few subs were added to the total mix. I've really enjoyed this one, it has kind of made up for a dreadful year of weather and cloudy skies. I have a new reducer on the way for the scope, and possibly a new camera too, so will be looking for some new challenges in 2013. Full details below, thanks for looking. Cheers Tim Full Size Here Telescope: C11 EdgeHD Focal Length: 2800mm F Ratio: F10 Camera: Atik 428ex Binned: 2x2 Resolution: 0.67 arcsec/pixel Mount: EQ6 Exposure Details: Luminance : 38mins Red: 58mins Green: 104mins Blue: 45mins Ha 7nm: 360mins Oiii: 785mins Sii: 325mins Total Exposure: 23hrs Data gathered over several weeks Autumn/Winter 2012 Software: Capture: Nebulosity 3 Guiding: PHD Stacking & Calibration: DeepSkyStacker (3x Drizzle) Initial Processing: Pixinsight Combining: Registar 1.0 Processing: Photoshop CS5
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