IC 4592 & IC 4601 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Scorpius (Sco) · Contains: 12.07 · 14 nu. Sco · 15.51 · 4 psi Oph · 40 Harmonia · 713 Luscinia · B40 · B41 · IC 4592 · IC 4601 · Jabbah · The star νSco · The star ψOph · VdB101 · VdB102 · VdB103

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IC 4592 & IC 4601

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IC 4592 & IC 4601

This 2 panel mosaic captures a beautiful reflection nebula located 400 light years away in the constellation of Scorpius. The Horsehead Nebula is my favorite deep sky object. This horsehead, the much large Blue Horsehead, was much more difficult to image and process because of its large scale and delicate nebulousity.

The nebula consists primarily of two reflection nebulae - IC 4592, the "eye" of the horse, and IC 4601, the "ear" of the horse. In addition, a wonderful molecular cloud extends throughout the whole image. My favorite parts of the image are actually the darker parts - the black dark nebulae at upper right, and the numerous dusty brown patches at lower left. I also like the dark bands which extend through the yellow and blue reflection nebulae of IC 4601, as well as the crisp bright blue reflection ridge that spans the upper boundary of IC 4592.

The refractors!
Cloudy Nights
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LBN Catalog
Reflection Nebulae

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Distribution of astrophotographers

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
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	Image of the day	Top pick	Top pick nominations	Total submitted
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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	2149535
PixInsight job	S7YLKRXEVB0VWBTL2MM8PHGTV0878DC8
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	16h16m01s.51
RA (top/left)	16h06m11s.36
RA (top/right)	16h23m51s.49
RA (bottom/right)	16h25m43s.35
RA (bottom/left)	16h08m21s.20

Dec (center)	-19°20′33″.7
Dec (top/left)	-20°26′30″.8
Dec (top/right)	-21°07′22″.7
Dec (bottom/right)	-18°12′36″.8
Dec (bottom/left)	-17°32′32″.3

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IC 4592 & IC 4601

IC 4592 & IC 4601

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IC 4592 & IC 4601

IC 4592 & IC 4601

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