M20 "Trifid" & M21 in LRGB-HO (TSA102) ( Jean-Baptiste Auroux )

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: B85 · M 20 · M 21 · NGC 6514 · NGC 6531 · Sh2-30 · Trifid nebula

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M20 "Trifid" & M21 in LRGB-HO (TSA102)

Link: https://millenniumphoton.com/portfolios/nebuleuses-m8-m20/

Powered byPixInsight

M20 "Trifid" & M21 in LRGB-HO (TSA102)

Link: https://millenniumphoton.com/portfolios/nebuleuses-m8-m20/

Imaging Telescopes Or Lenses: Takahashi TSA 102
Imaging Cameras: Atik One 6.0 Mono
Mounts: Sky-Watcher AZ-EQ6 GT
Filters: Astronomik R 1.25" · Astronomik G 1.25" · Astronomik B 1.25" · Astronomik L 1.25" · Astronomik OIII 6nm · Astronomik Ha 6nm
Accessories: Atik OAG · Takahashi TOA-RD
Software: Pleiades Astrophoto PixInsight · Atik Artemis · PHD Guiding 2
Guiding Telescopes Or Lenses: Takahashi TSA 102
Guiding Cameras: Atik GP

Dates:: Aug. 12, 2017 · Aug. 13, 2017 · Aug. 14, 2017 · Aug. 15, 2017
Frames:: Astronomik B 1.25": 20×180″(1h) -10°C bin 2×2
Astronomik G 1.25": 20×180″(1h) -10°C bin 2×2
Astronomik Ha 6nm: 12×300″(1h) -10°C bin 1×1
Astronomik L 1.25": 24×300″(2h) -10°C bin 1×1
Astronomik OIII 6nm: 12×300″(1h) -10°C bin 2×2
Astronomik R 1.25": 20×180″(1h) -10°C bin 2×2
Integration:: 7h
Darks:: 64
Flats:: 14
Bias:: 100
Avg. Moon age:: 21.04 days
Avg. Moon phase:: 61.35%
Bortle Dark-Sky Scale:: 2.00

RA center: 18h03m16s.21

DEC center: -22°45′48″.6

Pixel scale: 1.159 arcsec/pixel

Orientation: -4.490 degrees

Field radius: 0.735 degrees

More info:Open

Resolution: 2851x3568

File size: 44.8 MB

Locations: Cargèse, Cargèse, Corse du Sud, France

Data source: Traveller

Original
Final
B

Sony 694 Images
AAA : Astronomes et Astrographes Amateurs
Narrowband imaging

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	Advanced success
Started	...
Astrometry.net job	1814386
PixInsight job	QGLR0KT1U3O1FJ6EI52Q7SISJBQCRYXC
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	18h03m16s.21
RA (top/left)	18h05m03s.14
RA (top/right)	18h01m06s.20
RA (bottom/right)	18h01m28s.33
RA (bottom/left)	18h05m27s.18

Dec (center)	-22°45′48″.6
Dec (top/left)	-22°09′15″.7
Dec (top/right)	-22°13′32″.4
Dec (bottom/right)	-23°22′16″.7
Dec (bottom/left)	-23°17′59″.4

Image Index:

Contribution Index (beta):

M20 "Trifid" & M21 in LRGB-HO (TSA102)

M20 "Trifid" & M21 in LRGB-HO (TSA102)

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Image Index:

Contribution Index (beta):

M20 "Trifid" & M21 in LRGB-HO (TSA102)

M20 "Trifid" & M21 in LRGB-HO (TSA102)

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Acquisition details

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