M8 (RGB Enhanced By Ha, OIII and SII) (Mert Dikmen)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: Hourglass nebula · Lagoon nebula · M 8 · NGC 6523 · NGC 6526 · NGC 6530 · The star 7Sgr · The star 9Sgr

M8 (RGB Enhanced By Ha, OIII and SII), Mert Dikmen

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M8 (RGB Enhanced By Ha, OIII and SII)

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Powered byPixInsight

M8 (RGB Enhanced By Ha, OIII and SII)

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

This beautiful giant interstellar cloud located in the Sagittarius arm is an H II region which is 100 light years accross and approximately 4100 light years away. Associated with the open cluster NGC6530, M8 forms a complex structure comprising many large and hot stars whose UV radiaton shape the gas and dust of the nebula in an unusual way. NGC6530 has been formed from the material of M8 in which active star formation takes place. Many Bok globules (dense and dark clouds of dust) in which new stars are born can be detected inside the nebula. The blue color in the center of the nebula is an indicator of ionising radiation of the hot stars heating up the dust clouds.

Processing Details:

Red Channel: Red+Ha+SII

Green Channel: Green + Synthetic Green [iif(OIII > 0.5, 1 - (1 - Ha) * (1 - (OIII - 0.5)), Ha * (OIII + 0.5))]

Blue Channel: Blue + OIII

RGB obtained by combining Red Channel, Green Channel and Blue Channel in PixelMath.

Star colors are calibrated by PhotometricColorCalibration.

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	Basic success
Started	...
Astrometry.net job	2899610
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

Image Index:

Contribution Index (beta):

M8 (RGB Enhanced By Ha, OIII and SII)

M8 (RGB Enhanced By Ha, OIII and SII)

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Image Index:

Contribution Index (beta):

M8 (RGB Enhanced By Ha, OIII and SII)

M8 (RGB Enhanced By Ha, OIII and SII)

Equipment

Acquisition details

Description

Comments

Sky plot

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