NGC2071 & M78 (Anders Gengård)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: M 78 · NGC 2064 · NGC 2067 · NGC 2068 · NGC 2071

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NGC2071 & M78

Link: https://flic.kr/s/aHsmpbZkJ5

Powered byPixInsight

NGC2071 & M78

Link: https://flic.kr/s/aHsmpbZkJ5

Vid Orion, en liten bit ovanför de tre starkt lysande stjärnorna som utgör Orions bälte, ligger de här två reflektionsnebulosorna.
Upptäckta 1780 av fransmannen Pierre Méchain, blev de samma år bokförda som nr.78 i Charles Messiers katalog, M78.

Det man ser i mitten på bilden är ett enormt stoftmoln som genomlyses av och reflekterar ljuset från extremt heta och ljusstarka blå stjärnor bakom. I den blå nebulosan till höger kan man se två stjärnor precis vid kanten av det mörka bandet och i mitten av den blågrå nebulosan till vänster syns en annan stjärna. Det är ljuset från dessa tre som lyser upp nebulosorna.
På flera ställen runtom ser man få eller inga stjärnor alls, då dessa döljs helt av det täta stoftet. Inne i molnen däremot formas nya stjärnor. Avståndet från oss är ungefär 1350 ljusår och diametrarna på de två nebulosorna cirka 10 ljusår.

Det röda i vänsterkanten är en liten del av Barnard’s Loop, en emissionsnebulosa som i stort sett sträcker sig runt hela södra delen av Orion. Den har fått sitt namn efter den amerikanske astronomen och astrofotopionjären Edward Emerson Barnard, som fotograferade nebulosan redan 1894.
Nebulosan antas komma från en supernovaexplosion för två miljoner år sedan och man tror att den extrema strålningen från bildandet av nya stjärnor i Orionnebulosan är det som joniserar dessa vätgaspartiklar så de lyser upp i rött.

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
Image of the day
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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
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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
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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.
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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.

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Astrometry.net job	3264112
PixInsight job	n/a
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NGC2071 & M78

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