| Title: | The Propeller Nebula - DWB111 |
| Image Credits: | Stefano Cancelli and Paul Mortfield |
| Date: | Aug. 2009 |
| Location: | Sierra Remote Observatories |
| Telescope: | RCOS 16" f/8.9 |
| Mount: | Paramount ME |
| Camera: | Apogee U16M |
| Exposure: | Ha/SII/RGB - Astrodon Filters 15.5 hours total |
| Software: | CCAP, MaxIm DL, Photoshop CS3 |
| Notes: | This is a collaboration between myself Stefano Cancelli and Paul Mortfield. Using Ha and SII mapped to red and blue respectively, the green channel was created by using a combination of both Ha and SII. RGB was used for the stars. This wavelength mapping is closest to the CFHT palette. |