Hemisphere:  Northern  ·  Contains:  Maia nebula  ·  Merope nebula  ·  NGC 1432  ·  NGC 1435  ·  The star 18Tau  ·  The star Atlas (27Tau)  ·  The star Celaeno (16Tau)  ·  The star Electra (17Tau)  ·  The star Merope (23Tau)  ·  The star Pleione (28Tau)  ·  The star Sterope I (21Tau)  ·  The star Taygeta (19Tau)  ·  The star ηTau
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The Pleiades - Two Panel Mosaic, 



    
        

            Steve Milne
The Pleiades - Two Panel Mosaic
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Technical card

Imaging telescopes or lenses: Takahashi FSQ106ED

Imaging cameras: QSI683wsg

Mounts: 10 Micron GM1000HPS

Guiding telescopes or lenses: Takahashi FSQ106ED

Guiding cameras: QSI683wsg

Software: Sequence Generator Pro  ·  Adobe Photoshop 6 CS  ·  Pixinsight 1.8

Filters: Astrodon Tru-Balance LRGB E-Series Gen 2 Blue  ·  Astrodon Tru-Balance LRGB E-Series Gen 2 Green  ·  Astrodon Tru-Balance LRGB E-Series Gen 2 Red  ·  Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance


Dates:Nov. 24, 2019

Frames:
Astrodon Tru-Balance LRGB E-Series Gen 2 Blue: 55x300" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Green: 60x300" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance: 120x300" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Red: 60x300" bin 1x1

Integration: 24.6 hours

Avg. Moon age: 27.20 days

Avg. Moon phase: 6.02%


Basic astrometry details

Astrometry.net job: 3184768

RA center: 3h 46' 51"

DEC center: +24° 7' 37"

Pixel scale: 2.094 arcsec/pixel

Orientation: 91.362 degrees

Field radius: 1.583 degrees


Resolution: 3233x4382

Locations: E-EyE, Fregenal de la Sierra, Extremadura, Spain

Data source: Own remote observatory

Remote source: e-EyE Extremadura

Description

The Pleiades (Messier 45) is an open star cluster roughly 450 light years away in the constellation of Taurus. Stars in the cluster formed within the last 100 million years. Although one of the brightest objects in the night sky, M45 merits long integration times (multiple long exposures) since this helps bring out the rich sea of dust surrounding the cluster. This reflection nebula was once thought to be the material from which stars in the cluster formed. It is now believed to be a dust cloud lying between us and the cluster, through which the cluster's light passes.

M45 was photographed between 26 September and 24 November 2019 from a remote imaging rig that is jointly owned and operated by Barry Wilson and me. This is a two panel mosaic.

Capture details are as follows:

Telescope: Takahashi FSQ 106
Camera: QSI 683
Filters: Astrodon
Mount: 10 Micron GM1000HPS

Lum: 120 x 300s
Red: 60 x 300s
Green: 60 x 300s
Blue: 55 x 300s

A total of 24 hours and 35 minutes exposure.

Data: Steve Milne & Barry Wilson
Processing: Steve Milne

Comments

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gnomus
Steve Milne
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            Steve Milne
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Description: I found some 'anomalies' that I should have picked up on earlier. Apologies for the multiple versions today.

Sky plot

Sky plot

Histogram

The Pleiades - Two Panel Mosaic, 



    
        

            Steve Milne