Hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  16 Tau  ·  17 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  ·  M 45  ·  Maia  ·  Maia nebula  ·  Merope  ·  Merope nebula  ·  NGC 1432  ·  NGC 1435  ·  Pleiades  ·  Pleione  ·  Sterope II  ·  Taygeta  ·  The star Atlas (27Tau)  ·  And 7 more.
M45 Pleiades, 


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M45 Pleiades

M45 Pleiades, 


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M45 Pleiades


Imaging Telescopes Or Lenses
Skywatcher Explorer 200PDS
Imaging Cameras
Nikon D810A
Skywatcher NEQ6 PRO Synscan
Seletek Armadillo · Baader MPCC Mk III
Pixinsight · Photoshop
Guiding Telescopes Or Lenses
Skywatcher 9x50 finderscope
Guiding Cameras

Acquisition details

Nov. 2, 2018
16x600" (2h 40')
2h 40'
Avg. Moon age:
24.09 days
Avg. Moon phase:

RA center: 03h47m18s.505

DEC center: +24°1222.47

Pixel scale: 0.994 arcsec/pixel

Orientation: 146.837 degrees

Field radius: 1.006 degrees

More info:Open 

Resolution: 5972x4200

Locations: Puolivälinkangas - Oulu, Oulu, Finland

Data source: Backyard


The Pleiades (/ˈplaɪ.ədiːz, ˈpliːə-/), 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.[7]

Computer simulations have shown that the Pleiades were probably formed from a compact configuration that resembled the Orion Nebula.[8] 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.[9]


Sky plot

Sky plot


M45 Pleiades,