vdB120, vdB121, vdB117, M17, M18, NGC6596, IC4701, IC4706; Sagittarius (Thomas V. Davis)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: IC 4701 · M 17 · M 18 · NGC 6613 · NGC 6618 · Omega nebula

vdB120, vdB121, vdB117, M17, M18, NGC6596, IC4701, IC4706; Sagittarius, Thomas V. Davis

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vdB120, vdB121, vdB117, M17, M18, NGC6596, IC4701, IC4706; Sagittarius

Powered byPixInsight

vdB120, vdB121, vdB117, M17, M18, NGC6596, IC4701, IC4706; Sagittarius

vdB120, vdB121, vdB117, M17, M18, NGC6596, IC4701, IC4706; Sagittarius

Astro-Physics 305mm f/3.8 Riccardi-Honders astrograph

KAI-16803 FLI Proline

Total Exposure Time: 2.5 hours; LRGB 60:30:30:30 minutes RGB binned 2x2

June 2012; Inkom, ID

Comments: There are some pretty amazing dust formations near the center of the image.

vdB120: Size (arcmin): 1.2

Type: illuminating star inside nebula

Surface brightness: moderate

Color: red

Absorption: moderate

Illuminating star ID1: BD-16 4790

Illuminating star ID2: HD167746

Mag. of illuminating star: 8.69

Spectral type of star: F7II

vdB121: Size (arcmin): 0.6

Type: illuminating star inside nebula

Surface brightness: faint

Color: blue

Absorption: moderate

Illuminating star ID1: BD-17 5141

Illuminating star ID2: HD168418

Mag. of illuminating star: 9.5

Spectral type of star: B2Iab/Ib

vdB117: Size (arcmin): 2.2

Type: illuminating star inside nebula

Surface brightness: moderate

Color: very blue

Absorption: moderate

Illuminating star ID1: BD-17 5080

Illuminating star ID2: HD167143

Mag. of illuminating star: 9.11

Spectral type of star: B3III

Please note: The following tables are updated every 24 hours.

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
Image of the day
Top picks
Top pick nominations

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
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

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 failed
Started	...
Astrometry.net job	2190314
PixInsight job	Y72P1G8CRKWGWBBWH208SZWNU39CY0IE
PixInsight queue size	n/a
PixInsight stage	PLATE_SOLVING_IMAGE

Image Index:

Contribution Index (beta):

vdB120, vdB121, vdB117, M17, M18, NGC6596, IC4701, IC4706; Sagittarius

vdB120, vdB121, vdB117, M17, M18, NGC6596, IC4701, IC4706; Sagittarius

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Image Index:

Contribution Index (beta):

vdB120, vdB121, vdB117, M17, M18, NGC6596, IC4701, IC4706; Sagittarius

vdB120, vdB121, vdB117, M17, M18, NGC6596, IC4701, IC4706; Sagittarius

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