| Object Data |
| Description |
M13 is the largest, brightest, and prettiest globular
cluster in the northern skies. Even modest amateur telescopes show it as
a blazing ball of stars.
|
| Constellation |
Hercules, bastard son of Zeus |
| Right Ascension |
16h 41m 49s |
| Declination |
-36° 41' 49" |
| Magnitude |
5.8 |
| Angular size |
23.2 arcminutes |
| Distance |
7.0 kiloparsecs (23,000 light years) |
| Radial Velocity |
-246.6 kilometers per second (approaching) |
| Image Data |
| Photographer |
Fred Lehman |
| Main Scope |
Meade 12" LX200 @ f/5.0 (1525mm) |
| Guide Scope |
Orion 120mm refractor @ f/3.75 |
| Guide Camera |
SBIG STV |
| Imaging Camera |
Starlight Xpress MX7C |
| Resolution |
752 x 580 @ 1.2 arcseconds per pixel |
| Exposure |
Ten exposures of two minutes each. Aligned, stacked,
and processed with AstroArt. |
| Date |
June 25, 2003 |
| Location |
Area 51 in Big Cypress National Preserve in central
South Florida. |
