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Stardust of the Pleiades (M45) | by Martin_Heigan
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Stardust of the Pleiades (M45)

A wide-field HDR image of the Pleiades (also known as the Seven Sisters, or Messier 45 (M45).


The Pleiades 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 visible with the naked eye. 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.


About this image:

A combination of old RGB and new LRGB data imaged with 2 different telescopes about 2 years apart.


Image Acquisition & Plate Solving:

SGP Mosaic and Framing Wizard.

PlaneWave PlateSolve 2 via SGP.


Integration time:

6 hours DSLR RGB (RGGB).

12 hours Monochrome LRGB (L-Pro, R, G, B).

18 hours total integration time.



Pre-Processing and Linear workflow in PixInsight,

and finished in Photoshop.


Astrometry Info:

Center RA, Dec: 56.501, 24.176

Center RA, hms: 03h 46m 00.162s

Center Dec, dms: +24° 10' 32.409"

Size: 4.6 x 3.18 deg.

Radius: 2.795 deg.

Pixel scale: 10.3 arcsec/pixel.

Orientation: Up is 92.2 degrees E of N.

View an Annotated Sky Chart for this image.

View this image in the WorldWideTelescope.




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Taken on November 28, 2019