Thor's Helmet
Technical data
| Acquisition site | Ongamira, Córdoba, Argentina (1100 m a.s.l.) |
| Acquisition date | 1-26-2017 1-27-2017 |
| Instrument | Newton GSO F4 200 with GPU coma corrector. |
| Mount | Sky-Watcher NEQ6, managed by EQmod |
| Guide | Off-Axis, with Lodestar camera |
| Camera | Modified Canon 600D/T3i No IR Filter (Full Spectrum mod, using Astronomik MC Clear) Refrigerated (regulated temperature) |
| Camera sensor temperature | 0°C (on-sensor measured and regulated) |
| Filter | Astronomik Clip CLS CCD |
| Integration | 38 x 5 minutes subframes - ISO 800 Total integration time: 3 hs, 10 min |
| Calibration | 49 flats, 400 bias, 84 darks. |
| Resolution | 1.1 arcsec/pixel 787 mm actual focal, 4.2 um x 4.2 um pixels |
| Native size | 5202 x 3465 pixels |
| Cropped size | 5202 x 3465 pixels |
| FOV | 92’ x 60’ |
| Image center coordinates | RA: 07 h 18 min 38 seg Dec: -13° 13' 21" Rotation: 7° |
| Process | PixInsight 1.8 |