M8 Lagoon Nebula (Mr. Ashley McGlone)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: Lagoon Nebula · M 8 · NGC 6523 · NGC 6526 · NGC 6530 · The star 7 Sgr · The star 9 Sgr

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M8 Lagoon Nebula

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M8 Lagoon Nebula

Two years ago I spent a lot of time on the Lagoon Nebula as I was learning the hobby with different combinations of beginner gear and settings. (https://www.astrobin.com/1hlcx2/) It's a wonderful, bright summer target for beginners. Last summer I didn't shoot these nebulae in the core of the Milky Way at all and instead focused on the Summer Triangle area. This year I have a new camera and filters since two years ago. I've also learned more on post-processing. Fun to see the change in two years of practice and gear. Same scope and mount.

Process:
APP: Stack > Light Pollution Removal > Calibrate Star Colors (avoid the Ha red nebula area with this) > Star Reducer (remove stars)
GIMP: Crop (remove dithered edges) > Levels > Curves
Topaz DeNoise AI: Noise reduction
GIMP: Crop to 16:9 > Resize to 1080 HD or 2160 4k > Watermark

Camera Settings:
QHY268C
Mode 1 high gain
Gain 56
Offset 30
USB speed 10
Temp -10C

Frames:
70 x 120" Lights (2h 20m)
50 darks from library and pre-built master-dark
No bias, flat, dark flat

Original
Final
B

B

Description: Fixed halos on star reduction. Fixed overblown core.

Uploaded: ...

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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.
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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	5990217
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M8 Lagoon Nebula

M8 Lagoon Nebula

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Image Index:

Contribution Index (beta):

M8 Lagoon Nebula

M8 Lagoon Nebula

Equipment

Acquisition details

Description

Comments

Revisions

B

Sky plot

Histogram

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