IC 405 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Auriga (Aur) · Contains: 16 Aur · 17 AR Aur · 18 Aur · 19 Aur · AE Aur · Flaming Star Nebula · HD241057 · HD241098 · HD241099 · HD241100 · HD241161 · HD241184 · HD241209 · HD241228 · HD241257 · HD241258 · HD241271 · HD241323 · HD241353 · HD241366 · HD241411 · HD241460 · HD241476 · HD241504 · HD241565 · HD241611 · HD241683 · HD241698 · HD241731 · HD241763 · And 116 more.

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IC 405

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IC 405

This object is a beautifully textured emission/reflection nebula which spans 25 light years and is located 1500 years away in the constellation of Auriga at a declination of +34 degrees.

This object, also known as Sh2-229 and Caldwell 31, is nicknamed The Flaming Star Nebula because of both the reddish and bluish RGB colors surrounding the brightest star, AE Aurigae. As shown on the mouseover, AE Aurigae is the brightest white star in the nebula. This magnitude 6 variable star ionizes the hydrogen gas around it, emitting red light as a strong emission nebula, and creates light from starlight-reflected dust, emitting blue light as a reflection nebula. This reflection nebula is vdB 34.

It is believed that AE Aurigae did not condense from the surrounding nebula, as most do, but is believed to have originated in Orion and is now an ejected runaway star passing through this area. The collision responsible for this ejection is believed to have occured 2 million years ago and has been traced back to the Orion Nebula Trapezium cluster.

AE Aurigae is at the head of a small 4 star kite-shaped asterism in the central nebula region, with the top of the kite pointing down and to the left. The tail of the kite is the double star HD 34030.

My favorite part of the image is the 3-D look of the surrounding illuminated dust around AE Aurigae. It looks as if we are looking down from the sky at a mountain range next to a glacier lake.

Celestron RASA
ASI 6200 MM Pro
CMOS Imagers
Cloudy Nights
Texas Astronomy
Narrowband imaging
RASA Images

100 of My Favorite images
Caldwell Catalog (Complete*)
Emission (Full NB) Nebulae
Sharpless Catalog (200/313)

Please note: The following tables are updated every 24 hours.

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	8033097
PixInsight job	SJ009CBOTYIZBA0GT7290N64XVI8P5MG
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h15m34s.70
RA (top/left)	05h21m32s.39
RA (top/right)	05h09m48s.18
RA (bottom/right)	05h09m43s.93
RA (bottom/left)	05h21m11s.68

Dec (center)	+34°11′29″.3
Dec (top/left)	+35°09′27″.5
Dec (top/right)	+35°12′35″.7
Dec (bottom/right)	+33°12′25″.2
Dec (bottom/left)	+33°09′23″.2

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IC 405

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