Messier 3, May’25

34,000 light-years away in Canes Venatici.
Captured this globular cluster after midnight on May 16, 2025, during my May Messier tour.

Number 3 in my little May tour through the Messier globular clusters. I only began the imaging session of Messier 3 after midnight in the early hours of May 16th and wrapped it up shortly after 2:00 AM.

Discover the details by zooming in on Flickr:

Messier 3

Session Details:

TelescopeVixen VC200L – VISAC
Focal Length1800mm
Erecting Lense
CameraCanon EOS R(a)
FilterBayer Matrix RGGB
MountSkywatcher HEQ5 Pro, Belt and Hypertuned
Guiding EquipmentAPM 240mm
Guiding CameraToupTek GPM462M
Photography Date05/16/2025
Exposure-Time Lights25x300s
Correction framesFLATS, BIASES, DARKS
SensitivityISO 1600
Processing Date05/17/2025
Software StackStellarmate OS, PixInsight, Affinity Photo
Capture PlaceKoblenz, Germany

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