IC 443 is a supernova remanent, an expansion
gas cloud. It also have a good "luminosity" in radio waves. At 1° E
there is a big and dim nebula, catalogued as Sh2-249. The bright stars
visible in the image are Propus (Eta Gem, at right) and Tejat Posterior
(Mu Gem, at left).
See also:
|
Technical Data
|
| Optics |
Pentax 75 apocromatic
refractor, 75mm diameter |
| Focal Lenght |
500 mm |
| Focal Ratio |
f/6,7 |
| Exposure Time |
45 min exposure |
| Film |
Kodak E200 |
| Developement sensibility |
320 ISO |
| Location |
Pian dell'Armà
(PV, Italian Appennines), at 1400m |
| Date and time of exposure
start |
12 january 2002, 1.20
UT |
| Mount |
Meade 8" |
| Tracking |
ST4 |
| Temperature and humidity |
T=-7°C, RH=80% |
| Notes |
- |
