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.
Processing comparison
High resolution on Flickr:
Session details
| Telescope | Vixen VC200L |
|---|---|
| Corrector | intern |
| Effective focal length | 1800 mm |
| Camera | Canon EOS M100(a) |
| Mount | Skywatcher HEQ5 Pro |
| Guiding equipment | APM 240mm |
| Guiding camera | QHY 5-III-462C |
| Date of capture | 2023-06-11 |
| Exposure (lights) | 31 × 180 s |
| Total integration | 1 h 33 min |
| Calibration frames | FLATS, BIAS |
| Sensitivity | ISO 400 |
| Capture setup | Ubuntu, EKOS/INDI, PHD2 |
| Processing | 2023-06-12 – PixInsight, Affinity Photo |
| Reprocessing | 2024-01-17 – PixInsight, Affinity Photo |
| Location | Koblenz, Rheinland |
| Focal ratio | f/9,0 |
| Image scale | 0,43 ″/px |
| Field of view | 43,0 × 28,7 ′ |





