Sh2-308 (Dolphin-Head Nebula)
From 04/24/2022 to 05/03/2022 I spent some time at the Tivoli astrofarm in Namibia. During that stay I took several deep images of the southern sky with the equipment of the observatory „Drebach South“, one of them was the Dolphin-Head-Nebula in the constellation Canis Majoris. The Nebula was formed by the Wolf-Rayet Star EZ Canis Majoris.
The images were taken with the following equipment:
| Location | Tivoli, Namibia |
| Date | 04/25/2022 to 04/29/2022 |
| Telescope | ASA 16″ Astrograph |
| Focal length [mm] | 1440 |
| Focal ratio | 3.6 |
| Mount | ASA DDM 85 |
| Camera | Moravian G4 16000 |
| Filter | Hα:[OIII]:R:G:B |
| Exposure time [min] | 300:80:40:40:40 |
| Resolution | 1.29″/px |
Data calibration and registration and the final processing was done with PixInsight. The result was as follows:
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