The Great Globular Cluster - M13
A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite.
Technical data
| Instrument: | 173/700 Newton-asztrográf (ZsIO), SkyWatcher comacorrector F/4 |
| Camera: | Atik One 6.0 |
| Filter: | Baader LRGB 1.25" |
| Mount: | SkyWatcher NEQ6 Pro Synscan (modified) |
| Guiding: | Lacerta M-Gen autoguider, OAG |
Image data
| Exposure time: | L: 6x5 perc, RGB: 3x5 perc |
| Location, date: | Hungary, Izsákfa - 2016. May 25. |
| Transparency: | 6/10 |
| Temperature: | 15 °C |
| FWHM: | 2.50" |
| Processing: | CCDStack, Registar, Pixinsight LE, Photoshop |
Description
![FWHM [ " ] M 13 Luminance FWHM [ " ] M 13 Luminance](http://www.patrikphoto.com/rimg/1/176_541_128e224e_.jpg)
The Great Globular Cluster is brighty shinning deep sky object in constellation Hercules.
Technical data
| Instrument: | 173/700 Newton-asztrográf (ZsIO), SkyWatcher comacorrector F/4 |
| Camera: | Atik One 6.0 |
| Filter: | Baader LRGB 1.25" |
| Mount: | SkyWatcher NEQ6 Pro Synscan (modified) |
| Guiding: | Lacerta M-Gen autoguider, OAG |
Image data
| Exposure time: | L: 6x5 perc, RGB: 3x5 perc |
| Location, date: | Hungary, Izsákfa - 2016. May 25. |
| Transparency: | 6/10 |
| Temperature: | 15 °C |
| FWHM: | 2.50" |
| Processing: | CCDStack, Registar, Pixinsight LE, Photoshop |
© Patrik Tarczi
Recommended photos

In the heart of constallation Auriga
Rich in star clusters and nebulae, the ancient constellation of the Charioteer (Auriga) rides high in northern winter night skies.

The Crescent Nebula
NGC 6888, also known as the Crescent Nebula, is a cosmic bubble about 25 light-years across, blown by winds from its central, bright, massive star.

Globular star cluster Omega Centauri
Omega Centauri, our brightest global cluster is located in constellation Centaurus, It is the biggest global cluster can be seen from Earth at a disctance of 15 800 light-years.


