IC 5148 (2017) (Gary Imm)

Celestial hemisphere: Southern · Constellation: Grus (Gru) · Contains: IC 5148 · PK002-52.1

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IC 5148 (2017)

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IC 5148 (2017)

Note - Please see my updated image of this object here.

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This object is a beautiful planetary nebula located 3000 light-years away in the southern constellation of Grus the Crane. The nebula has a diameter of two light-years and its apparent diameter to us in just over 2 minutes. The central star stands out clearly. This image was made through narrow-band filters, combining emission from the nebula's hydrogen (red) and oxygen (blue-green) gases, with star color supplemented by true color RGB filters. I have adjusted the outer narrowband bluish nebula color to be similar to the nebula color which appears in my RGB image. The dominant white nebula color throughout this image indicates that the strength of the oxygen and hydrogen emissions are well balanced.

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	Distinct awarded users	Total awarded images
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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	...
PixInsight job	FMSBDWN6KPZYM42WEGHA5T64VKJA36A0
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	21h59m34s.931
RA (top/left)	21h58m43s.947
RA (top/right)	21h58m30s.520
RA (bottom/right)	22h00m26s.398
RA (bottom/left)	22h00m38s.733

Dec (center)	-39°23′04″.50
Dec (top/left)	-39°02′30″.39
Dec (top/right)	-39°42′11″.36
Dec (bottom/right)	-39°43′35″.97
Dec (bottom/left)	-39°03′54″.37

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IC 5148 (2017)

IC 5148 (2017)

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IC 5148 (2017)

IC 5148 (2017)

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