M45 Mosaic (George Simon)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: 19 Tau) · 25 Tau) · Barnard's Merope Nebula · IC 349 · Maia Nebula · Merope Nebula · NGC 1432 · NGC 1435 · Sterope I (21 Tau) · The star Alcyone (η Tau · The star Asterope · The star Atlas (27 Tau) · The star Celaeno (16 Tau) · The star Electra (17 Tau) · The star Merope (23 Tau) · The star Pleione (28 Tau) · The star Sterope II (22 Tau) · The star Taygeta (q Tau

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M45 Mosaic

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M45 Mosaic

Two-panel mosaic. One panel comprised 25 X 300 sec. subs, the other 24 X 300 sec. subs.

Original
B
C
P
Final
Q

B

Description: I darkened the enshrouding dust a bit, so as to provide better contrast.

Uploaded: ...

C

Description: As a final touch, a slight enhancement of the reflection nebulosity.

Uploaded: ...

P

Description: Reprocessed from scratch. Major change from the previous versions was a throttling back on medium-scale sharpening, which had introduced some artifacts in the reflection nebulosity.

Uploaded: ...

Q

Description: I reprocessed this data from scratch, so as to avail myself of some functionality in StarTools that was unavailable when I first processed this image.

Uploaded: ...

Cloudy Nights

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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	Basic success
Started	...
Astrometry.net job	5914964
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Contribution Index (beta):

M45 Mosaic

M45 Mosaic

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Image Index:

Contribution Index (beta):

M45 Mosaic

M45 Mosaic

Equipment

Acquisition details

Description

Comments

Revisions

B

C

P

Q

Sky plot

Histogram

In these public groups

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