Pickering's Triangle in the Veil Nebula supernova remnant | |||
| « Previous | Back to Astrophotography Gallery | » Next | |
"Pickering's Triangle" is a small section of the greater Veil Nebula supernova remnant in the constellation Cygnus the Swan. This image was shot through narrowband filters; red represents emissions from excited hydrogen gas, while blue represents emissions from doubly-ionized oxygen. The entire Veil Nebula can be seen here: Veil Nebula Complex
| |||
| |||
| Optics: | 8-inch RC telescope | ||
| Camera: | QHY268M cooled CMOS camera | ||
| Exposure info: | 7.3 hrs each Halpha and OIII (10 min subs) | ||
| Filters used: | Astronomik H-alpha, OIII filters | ||
| date: | October/November 2021 | ||
| processing: | Pixinsight-->Photoshop-->Topaz DeNoise AI-->Lightroom | ||
| |||
Below is an interesting variation of the image, using software to remove most of the stars, the faint nebulosity becomes more apparent. | |||
| |||