The Guardians of Navi (Joshua Kovach)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 27 Cas) · 27 gam Cas · HD236578 · HD236612 · HD236630 · HD236632 · HD236633 · HD4488 · HD4561 · HD4562 · HD4601 · HD4674 · HD4817 · HD4854 · HD4931 · HD4978 · HD5015 · HD5031 · HD5071 · HD5149 · HD5211 · HD5233 · HD5342 · HD5408 · HD5409 · HD5429 · HD5459 · HD5501 · HD5513 · HD5552 · And 31 more.

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The Guardians of Navi

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The Guardians of Navi

I was not expecting the colors I would get from this target.

The Guardians of Navi, aka the Ghost of Cassiopeia, are located 550 light-years away in the constellation Cassiopeia the Queen. The nebulae are slowly being eroded away by the blasting stellar wind of the nearby sub-giant variable star Gamma Cassiopeiae, sometimes called Navi. Navi is also surrounded by its own gaseous disc. This star is 19 times more massive and 65,000 times brighter than our Sun. It also rotates at the incredible speed of 1.6 million km per hour — more than 200 times faster than Sol. The fast rotation causes eruptions of mass from the star into a surrounding disk.

Original
Final
B

WO Redcat 51 Group
AstroWorld TV
Unmodified DSLR Deep Sky
Grand Rapids Amateur Astronomical Association

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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	Advanced success
Started	...
Astrometry.net job	6523856
PixInsight job	6KOTFV10QU7VNZ08GOVIV680AI4J890L
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h59m22s.61
RA (top/left)	01h15m24s.86
RA (top/right)	00h49m20s.93
RA (bottom/right)	00h43m50s.17
RA (bottom/left)	01h08m27s.32

Dec (center)	+60°56′34″.3
Dec (top/left)	+61°22′25″.2
Dec (top/right)	+62°31′46″.9
Dec (bottom/right)	+60°24′07″.2
Dec (bottom/left)	+59°19′10″.1

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The Guardians of Navi

The Guardians of Navi

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Image Index:

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The Guardians of Navi

The Guardians of Navi

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Description

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