Astrophotography Globular Cluster

Astrophoto: Great Hercules Cluster – Messier 13 – 06/21

A photo that is not worth this awesome cluster. A picture out ouf test shots while configuring flattener distance. But i achieved a different milestone.

The Clear Sky Evening

The great Hercules Cluster

Astrophoto M13 Great Hercules Cluster Clear Sky 17.
An evening full of distance tests for my new flattener TSFlat2. I was not very successfull. Some of the testimages were used to stack this image of M13.
But there was one milestone i reached.

Here is the result:

M13 - Great Hercules Cluster
A photo made from testexposures to find the correct flattener distance.

Lessons Learned

1st thing learned: Configuring flattener distance is pain in the a**! I did not finish that this evening!

2nd thing learned: Successfully used platesolving with my equipment and EKOS. This saves me so much time and so many NERVES!

Technical overview of Astrophoto M13 Great Hercules Cluster Clear Sky 17

TelescopeVIXEN ED80sf
Focal Length600mm
Aperture ratio7.5
Erecting LenseTSFlat2
MountSkywatcher HEQ-5
Mount ControlINDI
Guiding Scope Focal Length162 mm
Guiding Camera Chip4.8mm x 3.6mm, 8bit
Guiding Camera Resolution1280×960
Guiding SoftwareEKOS, INDI
Dithering3 pixel
CameraCANON EOS M100(a)
Methodfocal projection
Camera ControlEKOS, INDI, Gphoto2
Photography Date26.06.2021
Exposure-Time Lights14x180s
SensitivityISO 800
CalibrationframesFlats, Bias
Post Processing Date23.12.2021
Stacking, IntegrationAffinity Photo
Post Processing SoftwareAffinity Photo
Image EditingAffinity Photo
Capture PlaceKoblenz, Germany
LightpollutionBortle 5
Scattered lightstrong

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