M101 Widefield, Apr’26

On the edge of the final adjustments to my camera, this image was created.

On April 16, the sky conditions were good enough to tackle the fine backfocus adjustment on my SkyEye24AC. As a reference, I used my SkyEye62AM, which I had fully calibrated about a month earlier.

After successfully completing the adjustment, I still had time to capture 15 individual exposures. I think the result turned out quite nicely.

High-resolution on Astrobin:

The high-resolution astrophoto on Astrobin with a wealth of additional information.

The annotated image:

Session Details:

TelescopeBaader Apo 95 Travel Companion
Focal Length590mm
Erecting LenseBaader M68 Field Flattener
CameraToupTek SkyEye24AC
FilterBaader UHC-L CMOS Optimized 50.4mm
MountSkywatcher HEQ5 Pro, Belt and Hypertuned
Guiding EquipmentWilliam Optics Uniguide 50
Guiding CameraToupTek GPM462M
Photography Date04/16/2026
Exposure-Time LightsRGB: 15x300s
Correction framesFLATS, DARKS
SensitivityGAIN 100, Offset 125
Processing Date04/17/2026
Software StackStellarmate OS, PixInsight, Affinity Photo
Capture PlaceKoblenz, Germany

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