M45 (the Pleiades) (Anders Johannesson)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: 16 Tau · 17 Tau · 18 Tau · 19 q Tau · 20 Tau · 21 Tau · 22 Tau · 23 Tau · 24 Tau · 25 eta Tau · 26 Tau · 27 Tau · 28 Tau · Alcyone · Asterope · Atlas · Celaeno · Electra · IC 349 · LBN 770 · LBN 771 · LBN 772 · LBN 776 · Maia · Maia nebula · Merope · Merope nebula · NGC 1432 · NGC 1435 · Pleiades · And 12 more.

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M45 (the Pleiades)

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M45 (the Pleiades)

M45 (The Pleiades) is a 100 million years old, open star cluster that is just passing through some dust clouds that are beautifully illuminated by the bright stars of the cluster. The distance to M45 is 450 light years.

The image is a bit of an experiment. The total exposure time is only 9 minutes and the F-number of the telescope 5.8. The 8 um pixels of the CMOS sensor managed to pick-up quite some details anyway including the blue nebulosity. The ISO setting was 6400 to increase the signal-to-noise in the darkest parts of the image and to make possible to use a set of short exposure images instead of one long. No guiding was used, only the tracking of the mount.

"Nordish by nature"

Sony a7s images

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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	Advanced success
Started	...
Astrometry.net job	3182586
PixInsight job	LVA3427821HYB7TVXHICWO4TVVRD3N5V
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	03h47m55s.83
RA (top/left)	03h50m01s.27
RA (top/right)	03h41m09s.60
RA (bottom/right)	03h45m52s.95
RA (bottom/left)	03h54m42s.30

Dec (center)	+24°19′10″.2
Dec (top/left)	+25°47′20″.0
Dec (top/right)	+24°13′23″.0
Dec (bottom/right)	+22°50′42″.10
Dec (bottom/left)	+24°23′43″.10

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M45 (the Pleiades)

M45 (the Pleiades)

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M45 (the Pleiades)

M45 (the Pleiades)

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