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Astrophotography Globular Cluster

Astrophoto: Great Hercules Cluster – Messier 13 – 06/22

My Vixen ED80sf 2022 M13 data meets my 2024 processing workflow in PixInsight. Take a look at the side by side comparison.

The great cluster in Hercules Messier 13 with 600mm on an APS-C chip.

High resolution on Flickr:

Hercules Cluster Messier 13

Side by side comparison – 2022 vs. 2024 processing

The side by side comparison of both results.

Technical overview

TelescopeVIXEN ED80sf
Focal Length600mm
Aperture ratio7.5
Erecting LenseTSFlat2
FilterOptolong UV/IR Cut
MountSkywatcher HEQ-5
Goto-ControlEKOS
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 angle
Camera ControlEKOS, INDI, Gphoto2
Photography Date06/01/2022
Exposure-Time Lights24x300s
Correction framesFLATS, BIASES
SensitivityISO 400
Post Processing Date06/02/2022
Reprocessing Date01/04/2024
Stacking, IntegrationSiriL
Post Processing SoftwareSiriL
Image EditingAffinity Photo
Reprocessing SoftwarePixInsight
Capture PlaceKoblenz, Germany
LightpollutionBortle 5
Scattered lightstrong

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