01 Nov 2025
NGC 253, it's 20 hours and 30 minutes of integration in HaLRGB with CHI-1-CMOS telescope, I processed this photo with Pixinsight. NGC 253, also known as the Sculptor Galaxy, is a prominent spiral galaxy located approximately 11 million light-years away from Earth, notable for its high rate of star formation.
NGC 253
14 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Blue | 414 | 5h45m | 50 |
| Green | 392 | 5h20m | 49 |
| Red | 269 | 3h40m | 49 |
| Luminance | 324 | 4h25m | 49 |
| Halpha | 98 | 1h20m | 49 |