GUM 22/23 Kissing Nebula (Logan Skies DownUnder)

Celestial hemisphere: Southern · Constellation: Vela (Vel)

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GUM 22/23 Kissing Nebula

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

Gum 22/23 , also known as RCW 38, is a diffuse nebula visible in the constellation Vela. You can spot it about halfway between the stars λ and δ Velorum , in an area of sky full of very dense star fields and other nebulae , including the famous Vela nebula. It is an HII region in which is active and vigorous the phenomenon of star formation , as evidenced by the strong infrared emission ; in the inner regions , in a diameter of 5 light years , there are a thousand hot young stars , gathered in an open cluster in formation. The X-ray emission indicates the presence of a strong magnetic field , probably produced by a supernova explosion occurred within the cluster. Although direct evidence of the explosion has been observed only thousands of years ago, the shock wave produced by the explosion could be responsible for the electronic excitation. The distance of the complex is estimated at 5500 light years.

Gum 22 (RCW 38a) is the bright nebula surrounding the O5.5V star RCW 38 IRS 2 at the core of the Gum 23 (RCW 38 ).

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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
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	3436095
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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GUM 22/23 Kissing Nebula

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Image Index:

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GUM 22/23 Kissing Nebula

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