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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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M45 - The Pleiades - in December 2019, 



    
        

            Rudolf Bumm
M45 - The Pleiades - in December 2019
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M45 - The Pleiades - in December 2019

Technical card

Imaging telescope or lens:Skywatcher ED80 Refractor

Imaging camera:ZWO ASI1600MMC

Mount:iOptron CEM60

Accessory:MGEN


Dates:Dec. 4, 2019

Frames: 100x300"

Integration: 8.3 hours

Avg. Moon age: 7.57 days

Avg. Moon phase: 52.00%


Basic astrometry details

Astrometry.net job: 3135332

RA center: 3h 46' 29"

DEC center: +24° 4' 30"

Pixel scale: 1.579 arcsec/pixel

Orientation: 309.602 degrees

Field radius: 1.217 degrees


Resolution: 4383x3405

Locations: Mirasteilas observatory, Falera, Graubünden, Switzerland

Data source: Backyard

Description

The Pleiades, also known as the Seven Sisters and Messier 45, is an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the star clusters nearest 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 leftover 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 neighbourhood.
(Wikipedia)

Skywatcher ED 80
iOptron CEM 60
ZWO ASI 1600 MMC
gain 0

Sternwarte Mirasteilas
December 2019

60 x 300 s L (5h)
30 x 120 s RGB (1h)

Processing in Pixinsight 1.8 and Photoshop

Comments

Author

rbumm
Rudolf Bumm
License: None (All rights reserved)
1630
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M45 - The Pleiades - in December 2019, 



    
        

            Rudolf Bumm