M5 (Frédéric Ruciak)

Celestial hemisphere: Northern · Constellation: Serpens (Ser) · Contains: 5 Ser · HD135405 · HD135598 · HD136202 · IC 4537 · M 5 · NGC 5904 · The star 5 Ser

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M5

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M5

I have very limited viewing conditions from the balcony where I spend the working week. M5 is one of the target that I can track all night :-). I am still improving my practice with 300s exposures - an error in that case as I burned some stars at the core -, tracking - I got some good repetitive results around 0.5 RMS with my AM5 and PHD2 with predictive algorithm as I have a rather "classic" periodic error curve - and processing with separate preprocessing of RGB channels from my OSC and extraction of the luminance to improve the combination of colours and details and drizzling to improve details of my undersampled setup. What I try to get with this very classic globular cluster is the same visual feeling as I get with my big 22' dobson, with very small resolved stars. It is not so easy with 90mm compared to 22 inches ;-) but blurXtermintor is helping me to get closer.

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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.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
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	...
Astrometry.net job	9786251
PixInsight job	MIKJYZCRGZLKK2MQL6NPU76IK5MKAPIK
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	15h17m31s.397
RA (top/left)	15h15m24s.799
RA (top/right)	15h22m11s.544
RA (bottom/right)	15h19m38s.432
RA (bottom/left)	15h12m51s.737

Dec (center)	+02°00′15″.71
Dec (top/left)	+00°57′45″.98
Dec (top/right)	+01°55′17″.90
Dec (bottom/right)	+03°02′51″.74
Dec (bottom/left)	+02°05′13″.50

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