M20 (Andrew Murrell)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: B85 · HD163811 · HD163892 · HD163919 · HD163980 · HD164002 · HD164225 · HD164384 · HD164402 · HD164492 · HD164514 · HD164637 · HD164704 · HD164717 · HD164739 · HD164766 · HD164767 · HD164833 · HD164864 · HD165015 · LBN 27 · LDN 232 · M 20 · NGC 6514 · Sh2-26 · Sh2-28 · Sh2-30 · Trifid Nebula

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M20

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M20

The results from July 9/10 shoot of M20 have been processed and combined. This is an experiment of combining the images taken with an IR filter and the Optolong L-eNhance filter, processed in Pixinsight and finished in Photoshop.
The telescope was the Skywatcher 8" Quattro f4, the camera was the ASI2600MC, the mount was the Skywatcher EQ6-R Pro, and everything was controlled by the ASIAIR Plus. The settings were 300s exposures x 48 for each filter. The calibration frames were 30 Bias, 10 Darks, and 60 flats for each filter. The bulk of the processing was done in Pixinsight including the plugin Blur, Noise and Star Exterminator, and the EZ processing suite. Final cropping and saving were done in Photoshop.

Original
B
C
Final
D

D

Description: A new process using GHS in Pixinsight.

Uploaded: ...

Objects of the South - negative declination only
Narrowband imaging
Suburban Astrophotography
ZWO ASI 2600MC PRO
Beginners AP
ZWO ASIAIR PRO USERS
Australian Astrophotographers
Southern Hemisphere Astro

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	8389870
PixInsight job	PCXJXHUD4TLZ8895P6MC3WQIJ7BNQRQW
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h02m17s.338
RA (top/left)	18h06m14s.194
RA (top/right)	17h59m38s.110
RA (bottom/right)	17h58m19s.445
RA (bottom/left)	18h04m58s.323

Dec (center)	-23°00′26″.74
Dec (top/left)	-22°43′04″.98
Dec (top/right)	-22°16′32″.57
Dec (bottom/right)	-23°17′27″.89
Dec (bottom/left)	-23°44′09″.84

Image Index:

Contribution Index (beta):

M20

M20

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D

Sky plot

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In these public groups

Image Index:

Contribution Index (beta):

M20

M20

Equipment

Acquisition details

Description

Comments

Revisions

D

Sky plot

Histogram

In these public groups

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