Horsehead and Flame Nebulae ( Marco Rapino )

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

Horsehead and Flame Nebulae,

Marco Rapino

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Horsehead and Flame Nebulae

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Horsehead and Flame Nebulae

Imaging Telescopes Or Lenses: Explore Scientific 102mm ED APO triplet
Imaging Cameras: ZWO ASI1600GT
Mounts: Skywatcher EQ6 goto
Filters: Baader G 1.25'' CCD Filter · Astronomik Ha 6nm · Baader B 1.25'' CCD Filter · Baader R 1.25'' CCD Filter
Accessories: Omegon Dew strip bands
Software: Adobe Lightroom · Pleiades Astrophoto PixInsight
Guiding Telescopes Or Lenses: Artesky 60mm f/4 UltraGuide
Guiding Cameras: ZWO ASI290MM Mini

Dates:: March 1, 2021 · March 2, 2021 · March 3, 2021 · March 4, 2021
Frames:: Astronomik Ha 6nm: 36×300″(3h) (gain: 200.00) -20°C bin 1×1
Baader B 1.25'' CCD Filter: 75×120″(2h 30′) (gain: 139.00) bin 1×1
Baader G 1.25'' CCD Filter: 75×120″(2h 30′) (gain: 139.00) bin 1×1
Baader R 1.25'' CCD Filter: 75×120″(2h 30′) (gain: 139.00) bin 1×1
Integration:: 10h 30′
Darks:: 15
Flats:: 15
Flat darks:: 15
Avg. Moon age:: 18.80 days
Avg. Moon phase:: 81.57%
Bortle Dark-Sky Scale:: 6.00
Mean SQM:: 19.20
Mean FWHM:: 2.00
Temperature:: 5.00

Basic astrometry details

Astrometry.net job: 4284811

RA center: 05h40m48s.10

DEC center: -02°20′02″

Pixel scale: 1.367 arcsec/pixel

Orientation: 92.394 degrees

Field radius: 0.976 degrees

Resolution: 4277x2851

File size: 4.6 MB

Locations: Home, Lanciano, Italy

Data source: Backyard

Here there are the Horsehead and Flame nebulae before Orion dives into the horizon to come back next winter!

Full moon high up in the sky, but I didn't have any choice but to try nonetheless, because rainstorms would have started in the next few days..

RGB + Ha processing in PixInsight.

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

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.
Dismissals 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	4284811
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Horsehead and Flame Nebulae

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