| Name: | Messier 13 |
| Other names: | |
| Description: | Globular Cluster |
| Ascension: | 16 : 41.7 |
| Declanation: | +36 : 28 |
| Apparent diameter: | 20.0 (arc min) |
| Constellation: | Hercules |
| Magnitude: | 5.8 |
| Distance: | 25000 light years |
| Equipment: | Meade ETX 90 + ICX424 +foc red f/4 and no focred (b) f 13.8 |
| Date / Time UTC: | 12 may 2005 1:00 |
| Stacked : | (a) 42 of 154 (b) 52 of 213 |
| Exposure time: | 20 and 30 seconds |
| Location: | The Hague, The Netherlands |
| Other info: |
© Job Gehéniau
http://www.jgeheniau.nl/etx90/astronomy2.html