Pleiades (M45) (Gary Trapuzzano)

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 18 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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Pleiades (M45)

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Pleiades (M45)

This image was captured from a relatively light polluted site (SQM ~= 18.8) using a one-shot-color camera and a small refractor telescope (Tele Vue TV-85). It was an experiment to see what could be obtained without using any filters (such as light pollution suppression or dual band) besides the UV/IR cut filter built into the camera (ZWO ASI2600MC Pro). I tried shooting at three different exposure times (1min, 2min, & 3min) to see which worked best. In the end I wound up using all of the exposure times and combined them by expanding the "Post Calibration Exposure Tolerance" in PixInsight to accomodate the range.

The Pleiades, also known as the Seven Sisters, Messier 45, and other names by different cultures, is an asterism and an open star cluster containing middle-aged, hot B-type stars in the north-west of the constellation Taurus. At a distance of about 444 light years, it is among the nearest star clusters to Earth.

Clusters
Nebulosity

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	Distinct awarded users	Total awarded images
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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
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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
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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.

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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	8861247
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Pleiades (M45)

Pleiades (M45)

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Pleiades (M45)

Pleiades (M45)

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