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The Cocoon Nebulae
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Click on image for a larger view
The Cocoon Nebulae
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The Cocoon nebulae, approx. 3.9 degrees east of the open cluster M39 in Cygnus and around 4,000 light years distant, consists of an open cluster surrounded by emission, reflection and absorption nebulae.
More informations are available here. |
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| Optics |
130 mm f/6.4 Astro-Physics EDF Refractor |
| Mount |
Astro-Physics AP 900GTO. |
| Camera | SBIG ST-10XE. |
| Filters | SBIG CFW8A.With Astrodon LRGB Ha filters |
| Focuser | Robofocus focuser and Focusmax software |
| Dates | 14,20,27 August 2006. |
| Location | Lentin Observatory |
| Exposure | LHaRGB = L:34mn,Ha:105,bin1; R:66,G:63,B:72 minutes.bin2. Scale 1.69^s/pixel |
| Acquisition | Image data acquired remotely using ACP4 Observatory control software., MaxIm DL 4 |
| Processing | MaxIm DL 4, Photoshop CS2, Registar, |
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Antoine Vergara