Horse Head Nebula “B33” and The Flame Nebula “NGC 2024” (Neil Viljoen)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: Horsehead nebula · IC 431 · IC 432 · IC 434 · IC 435 · NGC 2023 · NGC 2024 · The star Alnitak (ζOri) · The star σOri

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Horse Head Nebula “B33” and The Flame Nebula “NGC 2024”

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Horse Head Nebula “B33” and The Flame Nebula “NGC 2024”

It has taken 3 Years to capture all the data needed for this image, due to the the lovely cloud cover we have in Gauteng. I photographed all the images in my back yard, in the East Rand, using prime focus. Total acquisition time: 19 hours 10 minutes. Total processing time: 18 hours.

Equipment used:

4” William Optics Refractor GTF102 Aperture: 102mm, Focal Ratio: F/6.9, Focal Length: 703mm, Orion 10” Reflecting Astrograph Aperture: 254mm, Focal Ratio: F/3.9, Focal Length: 1000mm, SBIG STL11000M CCD Camera, Canon 60D Unmodified camera, HA, HB, OIII, SII and CLS Astronomic Filters, Orion Mini Auto Guider, Celestron CGEM Mount, All processing done using Pixinsight.

Frames captured:

Frames captured using the SBIG 11000M @-20 deg. Frames captured using the Canon 60D ISO 1600

20 x HA Filter 1200 second 10 x CLS filter 300 second

10 x HA Filter 600 second 10 x Flats

50 x Flats 50 x Bias

50 x Bias 10 x Dark

50 x Dark

10 x HB Filter 1200 second

50 x Flats

50 x Bias

50 x Dark

10 x OIII Filter 1200 second

50 x Flats

50 x Bias

50 x Dark

10 x SII Filter 1200 second

50 x Flats

50 x Bias

50 x Dark

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	709658
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

Image Index:

Contribution Index (beta):

Horse Head Nebula “B33” and The Flame Nebula “NGC 2024”

Horse Head Nebula “B33” and The Flame Nebula “NGC 2024”

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Image Index:

Contribution Index (beta):

Horse Head Nebula “B33” and The Flame Nebula “NGC 2024”

Horse Head Nebula “B33” and The Flame Nebula “NGC 2024”

Equipment

Acquisition details

Description

Comments

Sky plot

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