Open Star Cluster (NGC 6250) & Nebulosity, Ara (Paul Lloyd)

Celestial hemisphere: Southern · Constellation: Ara (Ara) · Contains: HD152687 · HD152799 · HD152853 · HD152873 · HD152917 · HD152979 · NGC 6250

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Open Star Cluster (NGC 6250) & Nebulosity, Ara

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Open Star Cluster (NGC 6250) & Nebulosity, Ara

The catalogue entry, NGC 6250, refers to the open star cluster at the centre of this image. There is
not much information available for this cluster outside the scientific literature. However, it appears to be
young at 14 Myo, and lies around 2,820 ly from us.

Of particular note is the nebula background to this cluster. As Ara, its “host” constellation, lies mostly
over part of the western arm of the Milky Way, the nebula’s structure and texture feature in this image.
Here we see bright emission nebulae and dark dust lanes combining to form a complex tapestry.

Telescope: William Optics FLT110 refractor + 2.0x Barlow, f=1540mm
Camera: ZWO ASI294MC Pro, 45 x 120 sec, no filter
Bortle 3-4 sky, moonless
Field of View: approx. 0º 40’ x 0º 29’
Image processed and prepared in PixInsight and Photoshop Elements

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	Distinct awarded users	Total awarded images
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This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
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This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
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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	8365831
PixInsight job	F7BGPH3X0UZLJMKWG2P0EKBQNY8859YM
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	16h57m55s.65
RA (top/left)	16h59m53s.78
RA (top/right)	16h55m59s.99
RA (bottom/right)	16h55m56s.73
RA (bottom/left)	16h59m52s.24

Dec (center)	-45°56′07″.3
Dec (top/left)	-45°41′53″.8
Dec (top/right)	-45°41′23″.1
Dec (bottom/right)	-46°10′13″.7
Dec (bottom/left)	-46°10′44″.4

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Open Star Cluster (NGC 6250) & Nebulosity, Ara

Open Star Cluster (NGC 6250) & Nebulosity, Ara

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Open Star Cluster (NGC 6250) & Nebulosity, Ara

Open Star Cluster (NGC 6250) & Nebulosity, Ara

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