PICKERING'S TRIANGULAR WISP (NGC 6979)
This is a narrowband image taken in October, 2008 over several nights, using the Hubble pallet (SII=Red, Ha=Green, OIII=Blue)
(click on image for larger size):
Wide Field: Zoomed in on the triangle:
Here is the same data, using the "CFHT Palette"
(H-Alpha=Red, OIII=Green, SII=Blue) (click on image for larger size):
Image acquisition and processing details for narrowband version:
| Telescope: | Takahashi Epsilon 180, f/2.8 |
| Mount: | Astro-Physics AP1200 |
| Camera: | SBIG ST-10XME cooled to -25C or -30C, internal guiding. |
| Filters, Exposure Times: | AstroDon Ha 48x10min, OIII 41x10min, SII 43x10min. Additional data was obtained but discarded. |
| Dates: | 10/14/08 to 10/25/08. |
| Moon Phase: | various approaching new. |
| Location: | Xanadu Observatory, Backyard in Tucson, AZ |
| Software: | CCDCommander, MaximDL, FocusMax, TheSky, CCDInspector, CCDStack, Adobe Photoshop CS3 |
| Notes: | Also called Pickering's Wedge, this object is part of the Veil Nebula, a supernova remnant. |