M8 Mosaic (Rob Bishop)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: IC 1274 · IC 4685 · Lagoon Nebula · M 20 · M 21 · M 8 · NGC 6514 · NGC 6523 · NGC 6526 · NGC 6530 · NGC 6531 · NGC 6546 · NGC 6559 · NGC 6568 · The star 11Sgr · The star 14Sgr · The star 15Sgr · The star 16Sgr · The star 4Sgr · The star 7Sgr · The star 9Sgr · The star μSgr · Trifid Nebula

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M8 Mosaic

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M8 Mosaic

Beginning of a mosaic - this is 6 individually stacked frames combined into a mosaic using PI.

Ultimately, hope to continue this up toward M16 and build a large panel.

Captured using Fuji XT3 (unmodified, unfiltered) at ISO 800, all subs 60 secs unguided on the Tak PM1. Scope was Tak FS60 w/ reducer at F4.3, ~260mm FL.

This was not the most efficient use of framing - could have had less overlap, was eye-balling the framing by watching stars move on the rear LCD of the FUJI. However, this let me crop each frame to reduce aberration and vignetting in the edges, which may have helped make the mosaic more seamless.

Using Warren Keller and RBA books on PI to improve my processing. This image is fairly starved for data, (a few of the frames were only 3 subs at 60 secs each) but was a useful test of processing techniques. More to come hopefully as I continue to add to the image.

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
Artificial satellite

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	...
PixInsight job	n/a
PixInsight queue size	n/a
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M8 Mosaic

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