M13 - The Great Hercules Cluster (Greg Nelson)

Celestial hemisphere: Northern · Constellation: Hercules (Her) · Contains: Hercules Globular Cluster · IC 4617 · M 13 · NGC 6205

M13 - The Great Hercules Cluster, Greg Nelson

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M13 - The Great Hercules Cluster

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M13 - The Great Hercules Cluster

I'm shaking out my new observatory and this image was taken to test the StackPro mode in the Aluma AC4040 camera with the Gpixel Gense4040 CMOS chip. StackPro divides the exposure into equal segments (12 - 10s segments for each sub in this case) and stacks these on the camera for up to 16 segments. While read noise increases as the square root of the number of segments, signal increases as the square, and the apparent dynamic range of the chip increases. I have observed that this process also "deepens" the pattern noise of the chip. In this image I used the Pixinsight CanonBanding Reduction script in both directions to reduce these patterns. This is a companion image to the M92 I previously posted, which was taken as single High gain frames from the camera, ie. a traditional exposure acquisition.

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Status	Advanced failed
Started	...
Astrometry.net job	4435789
PixInsight job	U44Q1XAIFZ5T8OL04OBYDP4I9OWGR0P1
PixInsight queue size	n/a
PixInsight stage	PLATE_SOLVING_IMAGE

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M13 - The Great Hercules Cluster

M13 - The Great Hercules Cluster

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M13 - The Great Hercules Cluster

M13 - The Great Hercules Cluster

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