Plowing Through Space (Andre Vilhena)

Celestial hemisphere: Northern · Constellation: Camelopardalis (Cam) · Contains: 9 Cam · 9 alf Cam · HD28122 · HD28168 · HD28342 · HD28401 · HD28495 · HD29147 · HD29202 · HD29330 · HD29400 · HD29949 · HD30164 · HD30376 · HD30555 · HD30615 · HD30735 · HD31675 · HD31676 · HD32715 · HD33231 · HD33275 · HD34200 · NGC 1569 · The star α Cam

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Plowing Through Space

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Plowing Through Space

Alpha Camelopardis (a-Cam), the blue bright star right in the center of this image, is an O-type supergiant star easily visible to the naked eye. It is about 40 times as as massive and 30 times as large (radius) than our Sun, with a surface temperature of 30,000 K. It is moving quite fast, at over 60 km per second, making it a runaway star, likely from the nearby NGC 1502 open cluster. Why would that happen? It is uncertain but gravitational interactions with other stars in the progenitor cluster or a nearby supernova may be the cause.
a-Cam is also producing massive supersonic stellar winds, which is confined into a bow shock due to the compression of the interstellar medium, in this case the glowing hydrogen alpha cloud being crossed; this effect is seen by the bubble enclosing the star, which has a radius of about 10 light years. In a way, like a vessel plowing through a cosmic sea.

While not the most eye-catching photo I’ve taken, it is an interesting phenomena occurring in a fairly void area of the night sky, it posed a challenge to photograph due to nebula faintness.

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Trevinca Skies

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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.
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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	7609054
PixInsight job	VYD30I4PK8KTVWGCQMAPFHEVYIS8E389
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h54m15s.98
RA (top/left)	05h22m50s.20
RA (top/right)	04h25m11s.79
RA (bottom/right)	04h29m32s.11
RA (bottom/left)	05h19m37s.37

Dec (center)	+66°21′27″.3
Dec (top/left)	+68°01′53″.9
Dec (top/right)	+67°55′44″.1
Dec (bottom/right)	+64°23′57″.2
Dec (bottom/left)	+64°28′58″.4

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