Horsehead Nebula, HaRGB (KIJJA JEARWATTANAKANOK)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 46 eps Ori · 48 sig Ori · 50 zet Ori · Alnilam · Alnitak · B33 · Flame Nebula · Horsehead nebula · IC 431 · IC 432 · IC 434 · IC 435 · LBN 944 · LBN 946 · LBN 950 · LBN 953 · LBN 954 · LBN 958 · LBN 962 · LDN 1635 · LDN 1636 · NGC 2023 · NGC 2024 · Orion · Orion B · Part of the constellation Orion (Ori) · Sh2-277 · The star Alnilam (εOri) · The star Alnitak (ζOri) · The star σOri · And 1 more.

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Horsehead Nebula, HaRGB

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Horsehead Nebula, HaRGB

This image is the combination of RGB data from 2019 and Ha data taken during 2020. Both data sets were acquired from OSC (QHY10) but from different telescope. The RGB data in 2019 were taken from William-Optics GT71 without filter while the (extracted) Ha data were taken with William-Optics RedCat with STC duo-narrowband filter. Total integration times were 3.8 hours for RGB and 2.5 hours for Ha. I used AstropixelProcessor for processing and PixInsight for post-processing with a minor retouch in Photoshop Lightroom .

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Description: Improve stars shape and denoise

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	Distinct awarded users	Total awarded images
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Distribution of subject types

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	Image of the day	Top pick	Top pick nominations	Total submitted
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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
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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.

Status	Advanced success
Started	...
Astrometry.net job	3963259
PixInsight job	OFBCGEQESFVD90F9VSWNVGXAQ0LCF2IN
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h40m23s.74
RA (top/left)	05h35m46s.35
RA (top/right)	05h33m01s.73
RA (bottom/right)	05h45m01s.81
RA (bottom/left)	05h47m45s.82

Dec (center)	-02°16′33″.10
Dec (top/left)	-00°39′40″.5
Dec (top/right)	-03°01′14″.6
Dec (bottom/right)	-03°53′26″.6
Dec (bottom/left)	-01°31′43″.1

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Horsehead Nebula, HaRGB

Horsehead Nebula, HaRGB

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Horsehead Nebula, HaRGB

Horsehead Nebula, HaRGB

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