Sh2-15 / Gum 69 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: NGC 6425 · PK358-01.3 · Sh2-15

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Sh2-15 / Gum 69

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Sh2-15 / Gum 69

This object is a HII region located 5000 light years away in the southern constellation of Scorpius at a declination of -31 degrees. It is also known as RCW 134 and Gum 69.

The region is ionised by the star HD 161853, the brightest white star in the image. In the center of the image is an interesting band of dust silhouettted against the Ha region.

Two star clusters are visible in the image. NGC 6425, a bright colorful open cluster of 25 stars located 2500 light years away, is easily seen in the lower right corner. At the opposite end of the visibility spectrum is Terzan 6, visible as a tiny faint orange smudge on the left edge of the image just above center. This globular cluster is 25,000 light years away.

Open Star Clusters
Narrowband imaging
ZWO ASI1600MM/QHY163M
Sharpless2 Objects
The refractors!
Cloudy Nights
First on Astrobin

Astrobin Debuts (670 DSOs)
Gum Catalog (47/85)
HII-Dominated Nebulae
Sharpless Catalog (200/313)

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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Distribution of data sources

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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
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Professional, scientific grade data
Mix of multiple sources
Other
Unknown

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.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	2817445
PixInsight job	M66G7AD3SGO8J6LN513C8WOKOUSKA1JM
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	17h48m44s.798
RA (top/left)	17h51m05s.919
RA (top/right)	17h46m41s.739
RA (bottom/right)	17h46m22s.781
RA (bottom/left)	17h50m48s.827

Dec (center)	-31°18′17″.74
Dec (top/left)	-31°00′44″.51
Dec (top/right)	-30°55′26″.12
Dec (bottom/right)	-31°35′41″.51
Dec (bottom/left)	-31°41′01″.73

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Sh2-15 / Gum 69

Sh2-15 / Gum 69

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Sh2-15 / Gum 69

Sh2-15 / Gum 69

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