Sketch ready:

M 13

M 13

Drawing data

M 13 Her GC
NGC 6207 Her GX
Date(s) of observation:
2012.04.21/22. Kerepes
2012.04.25/26. Kerepes
2012.05.18/19. Ágasvár
Place(s) of observation:
Kerepes, Ágasvás
Telescope(s) used:
4" f/4 Newtonian (Dobson)
Enlargement(s) used:
40x (10mm Delos)
Field size:
Author / Observer:
Peter Kiss


M 13, pozitívba fordított rajz
M 13 drawing inverted into positive

M 13 is the most notable globular cluster in the northern hemisphere. This is a special object and this drawing is special to me as well. I drew it 2 months prior to our journey to Namibia. The primary aim with this drawing was to create a scale to the southern giants, the globular clusters Omega Centauri and 47 Tucanae. I planned to draw these globulars with exactly the same telescope and enlargement. Of course I carefully composed the fields in theory. As an addition this is my first drawing with the best eyepiece I have ever taken a look into, the 10 mm Delos. So while drawing I was mesmerized by the perspective of the southern heavens. Nevertheless this field is one of the best looking ones I have drawn so far. It was a great joy to slowly draw the stars.

To say a couple of words about M 13 as well, the globular is more or less dissolved. A little less than a dozen of its stars can be drawn by position. The famous star chains are quite hard, but they can be seen and they make the cluster so different from all the others. The core is not stellar. There is a little galaxy, NGC 6207 hiding in the background. It is faint and diffuse in the small 4" telescope, but it can be seen without problems.

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