IC405 - Flaming Star Nebula (Kirby Collins)

Celestial hemisphere: Northern · Constellation: Auriga (Aur) · Contains: AE Aur · Flaming Star Nebula · IC 405 · LBN 791 · LBN 795 · LBN 796 · LDN 1510 · Sh2-229

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IC405 - Flaming Star Nebula

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IC405 - Flaming Star Nebula

IC405 is both an emission and reflection nebula, and is relatively large at 30 arc minutes across. The bright star to the center right is AE Aurigae, a 6th magnitude O-type variable. AE Aurigae shares an unusual property with another O-type star, Mu Columbae, in that they are racing in opposite directions at 230,000 miles per hour. If we trace their paths backwards, they meet in the area of Orion's belt some 2.5 million years ago, indicating they were ejected from the region (perhaps by passing close to another star).

AE Aurigae is now passing through a cloud of interstellar gas, where its high energy is ionizing the molecules and illuminating an emission nebula.

For this image I combined RGB data (30x120 seconds R, 30x60 seconds G and B), with 20x300 seconds each of Ha, OIII, and SII. I added the narrowband data in an HSO palette, with Ha in red, SII in green and OIII in blue. The SII data showed the most structure, so adding it in green to the red Ha data gave nice yellow highlights, which I thought enhanced the "flame" look.

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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	5375358
PixInsight job	VXRX7RPDNP0CG3AQZX6V4LOHPMVE3KQF
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h16m13s.45
RA (top/left)	05h13m46s.56
RA (top/right)	05h13m38s.22
RA (bottom/right)	05h18m38s.55
RA (bottom/left)	05h18m50s.75

Dec (center)	+34°25′22″.8
Dec (top/left)	+35°00′42″.6
Dec (top/right)	+33°51′42″.4
Dec (bottom/right)	+33°49′48″.1
Dec (bottom/left)	+34°58′48″.2

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IC405 - Flaming Star Nebula

IC405 - Flaming Star Nebula

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IC405 - Flaming Star Nebula

IC405 - Flaming Star Nebula

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