A very small portion of NGC 6188 (Alex Woronow)

Celestial hemisphere: Southern · Constellation: Ara (Ara)

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A very small portion of NGC 6188

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A very small portion of NGC 6188

A very small portion of NGC 6188

OTA:……………….CDK17
Camera:………….SBIG STXL11002 with AOX and FW8G (0.63 arsec/pxl)
Observatory:…. Heaven’s Mirror, Chile (2020)

EXPOSURES:
…O.….16 x 1800
…H.….18 x 1800
…S.….19 x 1800
Total exposure   26.5 hours

Image Width: 42 arc-minutes
Processed by Alex Woronow (2021) using PixInsight, Topaz, 3DLut, SWT

TThe Southern Hemisphere nebula NGC 6188 forms a complex reflection-emission-dark nebula complex, a small part of which appears in this image. The rendering of this image used HSO in an “ordered color,” mapping where H and S contributed to red, O contributed to green, and O and H (inferred beta emissions) contributed to the blue. The stars and nebula image were photometrically calibrated. I used StarXTerminator v2.2/5 implemented in Affinity Photo to remove the stars and an in-house algorithm for restoring the stars while maintaining their correct color calibration—a challenge in multiple dimensions!

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
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Distribution of subject types

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
Deep sky
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Star trails
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Distribution of data sources

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
Own remote observatory
Amateur hosting facility
Public amaeteur data
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	5074955
PixInsight job	JAP072RUVDXY11M2OK2VQIHVXM2XMY1A
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	16h38m43s.338
RA (top/left)	16h36m56s.152
RA (top/right)	16h41m05s.593
RA (bottom/right)	16h40m29s.745
RA (bottom/left)	16h36m21s.813

Dec (center)	-48°21′35″.76
Dec (top/left)	-48°39′42″.24
Dec (top/right)	-48°30′50″.67
Dec (bottom/right)	-48°03′21″.93
Dec (bottom/left)	-48°12′09″.80

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A very small portion of NGC 6188

A very small portion of NGC 6188

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A very small portion of NGC 6188

A very small portion of NGC 6188

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