Horse-Head With No Name (Alex Woronow)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 48 sig Ori · 50 zet Ori · Alnitak · B33 · Flame Nebula · Horsehead nebula · IC 434 · IC 435 · NGC 2023 · NGC 2024 · Orion B · Sh2-277 · The star Alnitak (ζOri) · The star σOri

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Horse-Head With No Name

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Horse-Head With No Name

Horse-Head With No Name

OTA: Dreamscope 16" f/3.7 Astrograph

Camera: FLI Proline 16803

Observatory: ATOE, Insight Observatory

Exposures:

-Red: 9 x 300 sec

-Green: 8 x 300

-Blue: 7 x 300

-Luminance: 9 x 300

Total Exposure: 2.75 hours

Processing: Alex Woronow (2021), PixInsight, Topaz, SWT

Just for kicks! This is a free data set from Insight Observatory. Furthermore, I selected the pre-calibrated (but not yet aligned) subs to quickly see what might be done. (Insight observatory appears to provide all its data sets in various options: uncalibrated raw, calibrated, stacked, along with the master and raw calibration frames. I evaluated the frames and discarded about 1/3 of them—I believe that stacking lousy frames with good ones creates lousy images, so the culling tends toward the aggressive side. Although less than 3hrs of exposures remained, that's about 13hrs equivalent at f/8, so not too bad.

BTW, Insight observatory sells their data at %0.05/minute of exposure. Just saying; I'm not affiliated with them in any way, but if you've be data-deprived by the weather, motivation, or available time, you might give it a look. Or, if you are considering trying image processing, consider starting with the pre-stacked data. And there's always this free data set as a starting point.

Alex Woronow

Original
Final
B

B

Description: Improved stars

Uploaded: ...

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	4455876
PixInsight job	22BABEFQDU1HBSTI6EMIUMAQNC55E1HQ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h40m56s.41
RA (top/left)	05h37m57s.49
RA (top/right)	05h38m25s.23
RA (bottom/right)	05h43m55s.59
RA (bottom/left)	05h43m27s.89

Dec (center)	-02°26′37″.4
Dec (top/left)	-01°48′50″.2
Dec (top/right)	-03°11′28″.1
Dec (bottom/right)	-03°04′28″.8
Dec (bottom/left)	-01°41′51″.3

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Horse-Head With No Name

Horse-Head With No Name

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Horse-Head With No Name

Horse-Head With No Name

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Acquisition details

Description

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Sky plot

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