M104 Sombrero Galaxy, in Virgo
This photography was taken using a Canon 600D modified camera and a 200mm F4 reflector telescope from Ongamira, Córdoba, Argentina.
It is composed by 25 individual frames, with a total integration time of about 2 hours.
This galaxy is probably the most brilliant one inside of a 33 million light-years radius from our position.
It is located in the Virgo constellation, with an estimated distance of approximately 30 million light-years from Earth.
In the following annotated image, it is possible to see around 60 galaxies on the background sky.
Technical Data
| Acquisition site | Ongamira, Córdoba, Argentina (1100 m a.s.l.) |
| Acquisition date | 1-26-2017 |
| 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 | 25 x 5 minutes subframes - ISO 800 Total integration time: 2 hs 5 minutes |
| 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 | 4388 x 3031 pixels |
| FOV | 80’ x 56’ |
| Image center coordinates | RA: 12h 39min 58sec Dec: -11° 37' 46" Rotation: 7.4° |
| Process | PixInsight 1.8 |