C14 - The Double Cluster in Perseus (Chris Gifford)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: Double cluster · HD14051 · HD14052 · HD14053 · HD14092 · HD14134 · HD14143 · HD14162 · HD14186 · HD14210 · HD14250 · HD14270 · HD14330 · HD14357 · HD14422 · HD14433 · HD14434 · HD14443 · HD14476 · HD14488 · HD14535 · HD14542 · NGC 869 · NGC 884 · chi Persei Cluster · h Persei Cluster

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C14 - The Double Cluster in Perseus

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C14 - The Double Cluster in Perseus

The Double Cluster (also known as Caldwell 14) consists of the open clusters NGC 869 and NGC 884 (often designated h Persei and χ (chi) Persei, respectively), which are close together in the constellation Perseus. Both visible with the naked eye, NGC 869 and NGC 884 lie at a distance of about 7,500 light years in the Perseus Arm of the Milky Way galaxy.

I'd like to note that this was a non-guided image run at a focal length of 1280mm. Centering was checked every 5 images and if needed, the mount was directed to recenter to within tolerance of 10 pixels with an advanced technique in APT called GoTo++ (Fast Check) There was about a 25-pixel drift from center every 5 subs, tolerance was set to 10, APT got the mount back on target within two attempts, usually on the first slew command. All 219 images stacked with no need to crop the image. Well done APT...

Original
Final
B

All
Open Clusters

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Status	Advanced success
Started	...
PixInsight job	0C8PL3XVYR28IQW74TPD7M67N9T4TJQF
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h20m46s.208
RA (top/left)	02h23m13s.494
RA (top/right)	02h23m14s.493
RA (bottom/right)	02h18m14s.843
RA (bottom/left)	02h18m21s.941

Dec (center)	+57°08′30″.25
Dec (top/left)	+56°38′28″.84
Dec (top/right)	+57°38′39″.81
Dec (bottom/right)	+57°38′22″.40
Dec (bottom/left)	+56°38′11″.87

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C14 - The Double Cluster in Perseus

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