My 2023 photo of the 22.000 LJ away Great Hercules Cluster M13 in the constellation Hercules.
31 Subs each 180s with my Vixen VC200L VISAC at 1800mm focal length on my HEQ5pro with my CANON EOS M100(a) in Koblenz, Germany.
Stacking and integration was done with PixInsight.
High resolution on Flickr:
Processing comparison
Technical overview
| Telescope | Vixen VISAC VC200L |
| Focal Length | 1800mm |
| Erecting Lense | – |
| Camera | CANON EOS M100(a) |
| Guiding scope focal length | 240mm |
| Guiding Camera | QHY 5-III-462C |
| Photography Date | 06/11/2023 |
| Exposure-Time Lights | 31x180s |
| Correction frames | FLATS, BIASES |
| Sensitivity | ISO 400 |
| Processing Date | 06/12/2023 |
| Reprocessing Date | 01/17/2024 |
| Reprocessing Software | PixInsight |
| Capture Place | Koblenz, Germany |
