Pleiades (M45) (James Hawks)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: 16 Tau · 17 Tau · 18 Tau · 19 Tau) · 19 q Tau · 20 Tau · 21 Tau · 22 Tau · 23 Tau · 24 Tau · 25 Tau) · 25 eta Tau · 26 Tau · 27 Tau · 28 Tau · Alcyone · Asterope · Atlas · Barnard's Merope Nebula · Celaeno · Electra · HD23156 · HD23157 · HD23158 · HD23194 · HD23246 · HD23247 · HD23289 · HD23325 · HD23326 · And 74 more.

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Pleiades (M45)

Powered byPixInsight

Pleiades (M45)

Pleiades (M45), also known as The Seven Sisters, is an open star cluster containing middle-aged, hot B-type stars in the north-west of the constellation Taurus. M45 is ~444 light years away from Earth.

This unguided image was captured, in a Queen Creek (Arizona) Bortle 7 backyard, using a Celestron EdgeHD 11" telescope with a Hyperstar v4 focal reducer. The telescope is mounted on a 10Micron GM2000 HPS II mount. The camera is a ZWO ASI 2600MC Pro using a Optolong UV-IR Cut filter. The image is comprised of 122, 90 second exposure length frames, captured on 2021-11-07. The images were stacked/processed in Pixinsight and fine-tuning done in Photoshop.

Acquisition:
Location: Queen Creek, AZ Bortle 7
Date: 2021-11-07
Lights (Dithered, Cooled 0°C, Gain 0):
122 x 90s
Darks: 25
Flats: 25
Dark Flats: 25

Hardware:
Camera: ZWO ASI 2600MC PRO
Scope: Celestron EdgeHD 11"
Focal Reducer: Hyperstar v4
Focuser: Feather Touch with Starizona Focus Motor
Guide Camera: Unguided
Guide Scope: Unguided
Mount: GM2000 HPS II
Filter: Optolong UV-IR Cut

Software:
SGP
Pixinsight
Photoshop

Processing:
   Stacked in Pixinsight (WBPP, SubframeSelector, ImageIntegration)
   Pixinsight (DCrop, DBE, EZDenoise, GeneralizedHyperbolicStretch, ChannelCombination, BGNeutralization, SCNR, StarXTerminator, ArcsignStretch)
   Photoshop (AstroFlat Pro, APF-R, Camera Raw, Image Color/Levels/Brightness/Vibrance/Saturation)

N.I.N.A. Users

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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	Advanced success
Started	...
Astrometry.net job	6610757
PixInsight job	RAB2JIVN1PA4HNWSMYF3HMI31K606EK0
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	03h46m35s.75
RA (top/left)	03h43m40s.37
RA (top/right)	03h43m24s.87
RA (bottom/right)	03h49m28s.53
RA (bottom/left)	03h49m49s.56

Dec (center)	+24°06′55″.1
Dec (top/left)	+25°02′20″.8
Dec (top/right)	+23°14′37″.3
Dec (bottom/right)	+23°11′23″.1
Dec (bottom/left)	+24°59′02″.5

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Pleiades (M45)

Pleiades (M45)

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Pleiades (M45)

Pleiades (M45)

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