The Great Andromeda Galaxy is a galaxy
similar to that in which we live, the Milky Way. It's also the farthest
object visible at the naked eye, being at about 2.3 milions of light-years.
|
Technical Data
|
| Optics |
Pentax 75 apocromatic
refractor, 75mm diameter |
| Focal Lenght |
500 mm |
| Focal Ratio |
f/6.7 |
| Exposure Time |
60 min exposure |
| Film |
Kodak E200 |
| Developement sensibility |
320 ISO |
| Location |
Colle del Nivolet (AO,
Italian Alps), at 2600m |
| Date and time of exposure
start |
4 october 2002, 23.28
UT |
| Mount |
Gemini G-41 |
| Tracking |
ST4 |
| Temperature and humidity |
T=0°C, RH=97% |
| Notes |
|
