Home | Galaxies | Nebula | Clusters | Solar System | Comets | Equipment | Observatory | Wildlife photography | |
Polaris Binary | |
---|---|
R.A. | 02h 31m 47.075s |
Dec. | +89° 15' 50.90" |
Mean Radial Velocity | -17.4 km/s |
Magnitude | +2.71 |
Distance | 132.27 pc |
Location | within Milky Way |
Other IDs | HIP 11767 , alf UMI, BSC 424,FK 907 |
Element 1 | Pop II Cepheid Variable supergiant, Spectral type F7 and B,mag +2 |
Element 2 | Main sequence star , Spectral type F3 V, mag +9 |
Orbital Period | 3000 years |
Scope | 5" mn-56 |
Mount | Vixen GP-DX unguided |
Exposure | 21 x 1 min unguided |
Post-processing | Stacked in AA3 |
Filters | IR |
Camera | Starlight Express hx516 |
Location | Claines |
Date | 8th April 2005 |
This image was taken whilst fine tuning the GP-DX mount, and managed to catch the secondary star ( unintentionally ) .
A deliberate colour image will follow shortly !