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Contains:  Merope nebula, NGC 1435, Maia nebula, NGC 1432, The star Pleione (28Tau), The star Atlas (27Tau), The star ηTau, The star Merope (23Tau), The star Sterope I (21Tau), The star Taygeta (19Tau), The star 18Tau, The star Electra (17Tau), The star Celaeno (16Tau)
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Pleiades (M 45), 


            Gary Lopez
Pleiades (M 45)

Technical card

Resolution: 5470x3670

Dates:Sept. 23, 2017

Frames:Orion Skyglow 2" Filter: 57x180" ISO800

Integration: 2.9 hours

Darks: ~66

Bias: ~30

Avg. Moon age: 3.21 days

Avg. Moon phase: 11.22%

Bortle Dark-Sky Scale: 4.00

Temperature: 22.00 job: 1743337

RA center: 56.655 degrees

DEC center: 24.196 degrees

Pixel scale: 1.050 arcsec/pixel

Orientation: 136.301 degrees

Field radius: 0.961 degrees

Locations: Monterey Pines Observatory, Monterey, California, United States

Data source: Backyard


Another clear night, another object. I took 5 hours of light subs, but only used the last 3 hours, when The Pleiades rose above the light dome on the horizon (regional airport) and the imagery had good contrast.



Gary Lopez
License: None (All rights reserved)

Sky plot

Sky plot


Pleiades (M 45), 


            Gary Lopez