IC434: Horsehead Nebula (Rathi Banerjee)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: Flame Nebula · IC 431 · IC 432 · IC 434 · IC 435 · NGC 2023 · NGC 2024 · Orion B · The star Alnitak (ζOri)

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IC434: Horsehead Nebula

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IC434: Horsehead Nebula

Despite the average sky conditions, I finally got around to trying my new astrophotography setup.

The Horsehead Nebula is one of the most famous nebulae in the sky. It is visible as the dark indentation to the red emission nebula seen above and to the right of center in the photograph. The bright star to the left is located in the belt of Orion, The Hunter. The horse-head feature is dark because it is actually an opaque dust cloud which lies in front of the bright red emission nebula.

Original
B
C
Final
D

B

Description: Removed halos around Alnitak caused by reflections in the UV/IR Filter.

Uploaded: ...

C

Description: Added 3.33hrs of Ha data.

Uploaded: ...

D

Description: Collected more data and reprocessed.

Uploaded: ...

Suburban Astrophotography
The OSC Club (One Shot Camera)
Cloudy Nights
Texas Astronomy
"Simply Stellarvue"

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	Basic success
Started	...
Astrometry.net job	3352859
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

Image Index:

Contribution Index (beta):

IC434: Horsehead Nebula

IC434: Horsehead Nebula

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B

C

D

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In these public groups

Image Index:

Contribution Index (beta):

IC434: Horsehead Nebula

IC434: Horsehead Nebula

Equipment

Acquisition details

Description

Comments

Revisions

B

C

D

Sky plot

Histogram

In these public groups

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