NGC 1931 from my own „Sterntaucher“ observatory
My next project in 2019 was the emission and reflection nebula NGC 1931, located in the constellation Auriga.
Here is an overview of the used equipment and the exposure times:
| Equipment | Telescope 1 | Telescope 2 |
| Location and date | Krefeld, in January 2020 | Krefeld, in January 2020 |
| Telescope/Lense | TSQ-65ED Apo | TSQ-65ED Apo |
| Focal length [mm] | 420 | 420 |
| Focal ratio | 6.5 | 6.5 |
| Mount | Skywatcher EQ8 | Skywatcher EQ8 |
| Camera | Moravian G2 8300 FW | Moravian G3 16200 FW |
| Autoguiding | DMK21 AU04 on TSQ-65ED | DMK21 AU04 on TSQ-65ED |
| Filter | Hα | R:G:B |
| Exposure time [min] | 540 | 180:180:190 |
| Resolution | 1.11″/px | 2.95″/px |
Data calibration and registration and the final processing was done with PixInsight. The RGB Data was upscaled to the Hα data. The result was as follows:
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