NGC6559 (allen456)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: IC 1274 · IC 4684 · IC 4685 · NGC 6546 · NGC 6559

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NGC6559

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NGC6559

This was created by processing the individual images captured during live stacking of NGC6553 for the Grand Canyon Star Party. I captured 102 images but had to toss a number of them due to clouds moving through. This was a stack of 89. It is a large nebula complex formed from the same vast molecular cloud as M8 (the Lagoon Nebula) which it is just to the east of. It is a star forming region and the hot new stars cause the Hydrogen to fluoresce, giving the red color to the clouds. There are also dark clouds of dust seen in the interior and creating a dark halo around the clouds. You can also see areas of faint blue here and there in the clouds which are reflection nebula. This image frame is approximately 3 full moons wide and at about 5,00 ly away would span roughly 1330 ly. NGC6559 is actually just part of this cloud. It's the bright cup, toward the top, next to a couple of very bright stars that are radiating energy and outpouring stellar winds that have both carved out the cup and made it so bright.

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	8026724
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC6559

NGC6559

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NGC6559

NGC6559

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