Messier 45 (Pleiades)

Messier 45 (Pleiades)

Constellation: Taurus.
Session: 21-22 Nov 2020.

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In astronomy, the Pleiades (/ˈplaɪədiːz/ or /ˈpliːədiːz/), or Seven Sisters (Messier 45 or M45), is an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky. The celestial entity has several meanings in different cultures and traditions.

The cluster is dominated by hot blue and extremely luminous stars that have formed within the last 100 million years. Dust that forms a faint reflection nebulosity around the brightest stars was thought at first to be left over from the formation of the cluster (hence the alternative name Maia Nebula after the star Maia), but is now known to be an unrelated dust cloud in the interstellar medium, through which the stars are currently passing. Computer simulations have shown that the Pleiades was probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood.

Source: Wikipedia
—————————————————————————————————

• Optics: Skywatcher 130/650 PDS.
• Mount: Skywatcher N-EQ6 Pro (mod).
• Filters: IDAS LPS D1 (2"); Astronomik LRGB (36 mm).
• Accessories: Baader MPCC Mark III 2" coma corrector.
• Camera: QHY163M mono camera.

• L: 40x180s | binning 1×1 | Gain 120 | Offset 80 | cooled – 10°c.

• R: 15x120s | binning 1×1 | Gain 120 | Offset 80 | cooled – 10°c.

• G: 14x120s | binning 1×1 | Gain 120 | Offset 80 | cooled – 10°c.

• B: 14x120s | binning 1×1 | Gain 120 | Offset 80 | cooled – 10°c.

• Integration: 3.43 hours.
• Correction: Darks, Flats, Bias, Dark Flats.

• Skies quality: Bortle 5/10, SQM 19.55.
• Resolution: 1,21"/pixel.
• Field of view: 1.56° x 1.18°.

• Notes: Light polluttion; clouds; haze; moonlight; mapped LRGB.

• Softwares: Pixinsight, Adobe Photoshop.

© www.infinitalavita.com • Cristian Cestaro

Posted by infinitalavita on 2020-11-21 22:00:00

Tagged: , infinita è la vita , astrophotography , astrofotografia , universe , universo , spazio , space , cristian cestaro , www.infinitalavita.com , infinite is life , constellation , costellazione , astronomy , astronomia , messier 45 , pleiadi , pleiades

PA210084e1 DF LM

PA210084e1 DF LM

OLYMPUS DIGITAL CAMERA

As if night was day – – – The east under a clear 90% moon. The Pleiades cluster is familiar and seen under the cloud on the right.

"The name of the Pleiades comes from Ancient Greek. It probably derives from plein ("to sail") because of the cluster’s importance in delimiting the sailing season in the Mediterranean Sea: ‘the season of navigation began with their rising’. However, in mythology the name was used for the Pleiades, seven divine sisters, the name supposedly deriving from that of their mother Pleione and effectively meaning ‘daughters of Pleione’. In reality, the name of the star cluster almost certainly came first, and Pleione was invented to explain it."

"The Pleiades are also known as the Seven Sisters and Messier 45, are an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky."

"The cluster is dominated by hot blue and luminous stars that have formed within the last 100 million years. A faint reflection nebulosity around the brightest stars was thought at first to be left over from the formation of the cluster (hence the alternative name Maia Nebula after the star Maia), but is now likely an unrelated foreground dust cloud in the interstellar medium, through which the stars are currently passing."

"Computer simulations have shown that the Pleiades were probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighbourhood."

Posted by David W Geddes on 2018-10-22 08:45:53

Tagged: , Pleiades , Night , 90%-moon , dark , long , exposure , Strome , North , moonlight

M45 Pleiades LRGB

M45 Pleiades LRGB

The Pleiades, also known as the Seven Sisters and Messier 45, are an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky.

The cluster is dominated by hot blue and luminous stars that have formed within the last 100 million years. Reflection nebulae around the brightest stars were once thought to be left over material from the formation of the cluster, but are now considered likely to be an unrelated dust cloud in the interstellar medium through which the stars are currently passing.

Computer simulations have shown that the Pleiades were probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood.
(c) Wikipedia

Own remote observatory. AZ-EQ6 mount, ED80 (520mm at 1/6.5), Atik383L+. Guilde – OAG with QHY5 camera.
Baader L: 104 x 600s;
Baader R: 30 x 300s;
Baader G: 30 x 300s;
Baader B: 55 x 300s;
Total exposure – 27 hr.
Captured in SGP, processed in Pixinsight.

Posted by sergiy.vakulenko on 2019-11-09 21:14:20

Tagged: , Astronomy , Astrophotography , Astrophoto , Deepsky , DSO , Space , Sky , Stars , Nebula , M45 , Pleiades , LRGB , ED80 , Atik383L+

M45- The Pleiades Cluster

M45- The Pleiades Cluster

The Pleiades, also known as M45, the Seven Sisters or Subaru (Japan), is an open star cluster containing middle-aged stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky.

The cluster is dominated by hot blue and extremely luminous stars that have formed within the last 100 million years. Dust that forms a faint reflection nebulosity around the brightest stars was thought at first to be left over from the formation of the cluster is now known to be an unrelated dust cloud in the interstellar medium, through which the stars are currently passing. Computer simulations have shown that the Pleiades was probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood.

[Info from Wikipedia]

Nikon D5100
Explore Scientific ED80
Celestron AVX Mount
23 x 120 second exposures @ ISO 1600

Shot from the L&A Dark Sky Viewing Area in Erinsville, Ontario

Posted by Dark Arts Astrophotography on 2016-10-08 20:38:55

Tagged: , astrophotography , astronomy , space , Pleiades , Subaru , Cluster , m45 , Kingston , kingstonist , Ontario , Astrometrydotnet:id=nova1769464 , Astrometrydotnet:status=solved

Pleiades (M45)

Pleiades (M45)

The Pleiades
In astronomy, the Pleiades, or Seven Sisters (Messier 45 or M45), is an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky. The celestial entity has several meanings in different cultures and traditions.

The cluster is dominated by hot blue and extremely luminous stars that have formed within the last 100 million years. Dust that forms a faint reflection nebulosity around the brightest stars was thought at first to be left over from the formation of the cluster (hence the alternative name Maia Nebula after the star Maia), but is now known to be an unrelated dust cloud in the interstellar medium, through which the stars are currently passing. Computer simulations have shown that the Pleiades was probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood.

en.wikipedia.org/wiki/Pleiades

Taken in Ortigia, Sicily with 105mm lens at f2.8 – camera piggybacked on my telescope with the alt-az mount.

83 x 10 second exposures at 6400 ISO
59 x 15 second exposures at 6400 ISO
60 x dark frames
40 x flat frames
24 x bias/offset frames (subtracted from flat frames only)

Processed in Nebulosity, Maxim DL, and Photoshop.

Posted by Davide Simonetti on 2016-09-25 02:39:10

Tagged: , Pleiades , Seven Sisters , Star Clusters , M45 , Messier 45 , Astrophotography , Astronomy

M45 Pleiades

M45 Pleiades

The Pleiades also known as the Seven Sisters and Messier 45, are an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky.

The cluster is dominated by hot blue and luminous stars that have formed within the last 100 million years. Reflection nebulae around the brightest stars were once thought to be left over material from the formation of the cluster, but are now considered likely to be an unrelated dust cloud in the interstellar medium through which the stars are currently passing.

Computer simulations have shown that the Pleiades were probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood.
(c) Wikipedia

NEQ6 mount, ED80 (520mm at 1/6.5), QHY8, 20 x 600s. Guilde – 50×9 finderscope with QHY5 camera. Total exposure – 3 hours.

Captured in MaxIm DL, processed in MaxIm DL, DSS, FitStacker and Pixinsight.

Posted by sergiy.vakulenko on 2019-01-17 10:33:47

Tagged: , Astronomy , Astrophotography , Astrophoto , Deepsky , DSO , Space , Sky , Stars , Cluster , M45 , Pleiades , ED80 , QHY8

The Pleiades (M45)

The Pleiades (M45)

The Pleiades (also known as the Seven Sisters and Messier 45). This is one of my favourite autumn targets and one I feel compelled to image every year in order to try and improve on previous attempts. Their rising heralds the arrival of the constellation of Orion which pursues them. I love the mythology associated with the Pleiades and Orion and different cultures have their own stories to explain them. M45 always seems like it should be a fairly easy object to image and it is, however processing it is another matter. This image was made over two nights (24/09/18 and 03/10/18). The original idea was to capture all the data in one night but the first night, although being very clear, was a full Moon and many of the subs were washed out making processing a nightmare. The second night the Moon wasn’t an issue but conditions were still less than ideal and we were shooting into a murky sky with high cloud. Ultimately I combined the best shots from both nights and this is the result…by no means perfect but as good as I can get it, not too noisy and a reasonable amount of nebulosity coming through.

The Pleiades are an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky.

The cluster is dominated by hot blue and luminous stars that have formed within the last 100 million years. A faint reflection nebulosity around the brightest stars was thought at first to be left over from the formation of the cluster (hence the alternative name Maia Nebula after the star Maia), but is now likely an unrelated foreground dust cloud in the interstellar medium, through which the stars are currently passing.

Computer simulations have shown that the Pleiades were probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood.

Information courtesy of Wikipedia:
en.wikipedia.org/wiki/Pleiades
en.wikipedia.org/wiki/Pleiades_(Greek_mythology)

060 x 300 second exposures at Unity Gain (139) cooled to -20°C
030 x dark frames
063 x flat frames
100 x bias/offset frames
Binning 1×1

Total integration time = 5 hours

Captured with APT
Guided with PHD2
Polar Alignment with SharpCap Pro
Processed in Nebulosity, Fitsworks, Microsoft ICE and Photoshop

Equipment
Telescope: Sky-Watcher Explorer-150PDS
Mount: Skywatcher EQ5
Guide Scope: Orion 50mm Mini
Guiding Camera: ZWO ASI120MC
Imaging Camera: ZWO ASI1600MC Pro
Baader Mark-III MPCC Coma Corrector
Light pollution filter

Posted by Davide Simonetti on 2018-10-07 11:51:56

Tagged: , Pleiades , Seven Sisters , Messier 45 , Star Clusters , Stars , M45 , Maia , Electra , Taygete , Alcyone , Celaeno , Sterope , Merope , Pleione , Atlas , Astrophotography , Astronomy , Space

M45 – The Pleiades Cluster

M45 - The Pleiades Cluster

The Pleiades, also known as M45, the Seven Sisters or Subaru (Japan), is an open star cluster containing middle-aged stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky.

The cluster is dominated by hot blue and extremely luminous stars that have formed within the last 100 million years. Dust that forms a faint reflection nebulosity around the brightest stars was thought at first to be left over from the formation of the cluster is now known to be an unrelated dust cloud in the interstellar medium, through which the stars are currently passing. Computer simulations have shown that the Pleiades was probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood.

[Info from Wikipedia]

ZWO ASI1600MC-Pro with Baader IR/UV cut filter
Explore Scientific ED80
Celestron AVX Mount, guided
105 minutes of integration time

Shot from the L&A County Dark Sky Viewing Area in Erinsville, Ontario

Posted by Dark Arts Astrophotography on 2018-08-11 20:24:48

Tagged: , astrophotography , astronomy , space , Sky , stars , star , science , m45 , Subaru , subarudarksky , Pleiades , Cluster , Messier

M45- The Pleiades Cluster

M45- The Pleiades Cluster

The Pleiades, also known as M45, the Seven Sisters or Subaru (Japan), is an open star cluster containing middle-aged stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky.

The cluster is dominated by hot blue and extremely luminous stars that have formed within the last 100 million years. Dust that forms a faint reflection nebulosity around the brightest stars was thought at first to be left over from the formation of the cluster is now known to be an unrelated dust cloud in the interstellar medium, through which the stars are currently passing. Computer simulations have shown that the Pleiades was probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood.

[Info from Wikipedia]

Nikon D7000
Explore Scientific ED80
Celestron AVX Mount
9 x 120 second exposures @ ISO 1600

Shot from the North Frontenac Township Dark Sky Preseve near Plevna, Ontario

Posted by Dark Arts Astrophotography on 2016-08-28 16:26:41

Tagged: , astrophotography , astronomy , space , stars , Sky , star , Cluster , Pleiades , Subaru , night , Nebula , nature , natur

Pleiades M45 (HaLRGB)

Pleiades M45 (HaLRGB)

Constellation: Taurus.
Session: 06 Dec 2016.

Follow me on:
Instagram | www.infinitalavita.com

Some on sale on microstocks here:
Shutterstock | Fotolia.

In astronomy, the Pleiades (/ˈplaɪədiːz/ or /ˈpliːədiːz/), or Seven Sisters (Messier 45 or M45), is an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in the night sky. The celestial entity has several meanings in different cultures and traditions.

The cluster is dominated by hot blue and extremely luminous stars that have formed within the last 100 million years. Dust that forms a faint reflection nebulosity around the brightest stars was thought at first to be left over from the formation of the cluster (hence the alternative name Maia Nebula after the star Maia), but is now known to be an unrelated dust cloud in the interstellar medium, through which the stars are currently passing. Computer simulations have shown that the Pleiades was probably formed from a compact configuration that resembled the Orion Nebula. Astronomers estimate that the cluster will survive for about another 250 million years, after which it will disperse due to gravitational interactions with its galactic neighborhood.

Source: Wikipedia
—————————————————————————————————

• Optics: Primalucelab 80/500 APO (doublet).
• Mount: Skywatcher N-EQ6 Pro.
• Filters:Astronomik Ha (12nm), LRGB (31.8 mm).
• Accessories: Filter wheel (1.25"), Primalucelab focal reducer (0.8x)
• Camera: Atik 414 ex mono.

Ha (12nm) : 9x300s | binning 1×1 | cooled -4°c.
Ha (12nm) : 3x600s | binning 1×1 | cooled -4°c.

L: 10x300s | binning 1×1 | cooled -4°c.

R: 5x120s | binning 1×1 | cooled -4°c.
G: 5x120s | binning 1×1 | cooled -4°c.
B: 5x120s | binning 1×1 | cooled -4°c.

Integration: 2 hour and 41 mins.
Correction: Darks, Flats, Bias

Notes: HaLRGB mode, fog, waxing crescent moon light.

DeepSkyStacker, Adobe Photoshop CS6.

© www.infinitalavita.com • Cristian Cestaro

Posted by infinitalavita on 2016-12-08 16:01:37

Tagged: , Cristian Cestaro , www.infinitalavita.com , pleiades , pleiadi , m45 , messier 45 , halrgb , open cluster , ammasso aperto , Astrometrydotnet:id=nova1854733 , Astrometrydotnet:status=solved