M13 globular cluster

in Hercules

M13 globular cluster
Éder Iván

Below you find a crop in 45% size. For more detailed image

M13

Image details

Instrument:
TMB 130/780 apo refractor with field flattener
Camera:
Home-modified Canon EOS 350D
Mount:
SkyWatcher EQ6 + Boxdörfer DynoStar
Guiding:
72/500 refractor, SBIG St-4
Exposure time, filters:
23x5 min ISO800
Location, date:
Ágasvár (Mount Matra), Hungary, 2007.06.15.
Observing conditions:
Transparency: 6/10, Seeing: 8/10, Temperature: +21°C
Processing:
Iris, Registar, Photoshop

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