01 Jun 2022
NGC 1499 the California Nebula is located about 1,000 lightyears away and stretches about 100 lightyears long. This image has been processed using a quite unusual OSH palette, where the (normally red) Hydrogen gas glow has been mapped to the blue channel and the normally blue Xi Persei has been mapped to the red channel.
NGC 1499
13 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 600 | 6h10m | 37 |
| OIII | 600 | 6h10m | 37 |
| SII | 600 | 6h | 36 |