Abell 31 from my own „Sterntaucher“ observatory
My next project in 2018 was the planetary nebula Abell 31, located in the constellation Cancer.
![Finder chart Abell 31](https://wonderfuluniverse.de/wp-content/uploads/2022/02/cancer_Abell31.jpg)
Here is an overview of the used equipment and the exposure times:
Equipment | Telescope 1 | Telescope 2 |
Location and date | Krefeld, in February 2018 | Krefeld, in February 2018 |
Telescope/Lense | 10″ Newton ohne Namen | TSQ-65ED Apo |
Focal length [mm] | 1000 | 420 |
Focal ratio | 3.9 | 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:[OIII] | R:G:B |
Exposure time [min] | 180:295 | 120:150:80 |
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 narrowband data. The result was as follows:
![](https://wonderfuluniverse.de/wp-content/uploads/2022/02/abell31_new4_50.jpg)
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