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| The California Nebula (NGC 1499) is an emission nebula located in the constellation Perseus.
It is so named because it appears to resemble the outline of the US State of California on long exposure photographs. More informations are also available at the Wikipedia website |
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| Optics |
130 mm f/5.0 Astro-Physics EDF Refractor with AP Telecompressor. TMB Triplet Apo 80 mm f/6 for guiding |
| Mount |
Astro-Physics AP 900GTO |
| Camera | SBIG ST-10XME. With a Remote Guiding Head |
| Filters | SBIG CFW9. Astrodon LRGB filters. Baader-Planetarium 7 nm Ha,SII,OII, filters |
| Focuser | Robofocus focuser and Focusmax software |
| Dates | January 2009. |
| Location | Lentin Observatory |
| Exposure | Ha=mosaic of 6 panels,each one of 12X20mn, bin2,-30°c. Scale= 4.3^s/pixel. total time 24 h |
| Acquisition | All data's were acquired unattended with ACP Observatory Control Software V5 DC3 Dreams and MaxIm DL 5, including sky flats , |
| Processing | MaxIm DL 5, PixInsight 1.2, Photoshop CS4. |
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Antoine Vergara