Wallpaper author:
Steve Teel
22 Jul 2026
The Clamshell Nebula Sh2-119
Processed using PixInsight with FBPP, SPFC/MGC, SPCC, BXT, NXT, SXT, MAS, NarrowbandNormalization, ImageBlend, PSCM, and Affinity Photo 2.
While SII data is not available for MGC, MCG is crucial for the OIII channel bcause of the degree of stretching required.
Dataset from which the image was processed
SH2-119 Clamshell Nebula
15 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................ZWO ASI 2600MM Pro
- Target coordinates............................................................................................................................RA 319.5 Dec 43.9333
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................09 Jun 2023 - 23 Jun 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| SII | 600 | 14h30m | 87 |
| Halpha | 600 | 11h30m | 69 |
| OIII | 600 | 10h10m | 61 |