SH2-308 in Canis Majoris - "Cosmic Bubble"
Technical data
| Acquisition site | La Travesía, Córdoba, Argentina (850 m a.s.l.) |
| Acquisition date | 2-9-2016 2-10-2016 |
| 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 | 5°C (on-sensor measured and regulated) |
| Filter | Astronomik Clip CLS CCD |
| Integration | 20 x 10 minutes subframes - ISO 800 Total integration time: 3 hs, 20 min |
| Calibration | 49 flats, 400 bias, 81 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 | 4800 x 3070 pixels |
| FOV | 88’ x 56’ |
| Image center coordinates | RA: 06h 54m 56s Dec: -23° 52' 19" |
| Process | PixInsight 1.8 |