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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 Electra (17Tau), The star Celaeno (16Tau)
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M 45 : Pleiades in two shots... than in 17 !, 





    
        

            Ewam
M 45 : Pleiades in two shots... than in 17 !

M 45 : Pleiades in two shots... than in 17 !

Technical card

Imaging telescope or lens:APM Doublet ED APO 152 f7,9

Imaging camera:Nikon D750

Mount:10 Micron GM1000 HPS

Software:Adobe Photoshop 5 CS

Resolution: 3474x4147

Dates:Aug. 20, 2015

Frames: 17x270"

Integration: 1.3 hours

Avg. Moon age: 5.28 days

Avg. Moon phase: 28.37%

Astrometry.net job: 766286

RA center: 56.710 degrees

DEC center: 24.042 degrees

Orientation: 100.095 degrees

Field radius: 0.764 degrees

Description

Last night was a busy session, with Ha 10 minute frames on the Elephant Trunk and the Crescent nebula.
End of the night - early morning, I went for the now rising friend M45. I took 5 subs + 18 the night before (but under heavy humidity for those). I couldn't wait to share this quick edit - some median denies, some contrast, selective colors and smart sharp... - on a simple stack of 2 x 270'' @ 6400 iso
> VERSION B : a second set of 15 subs taken on the 21st of august - my birthday ;-)
> VERSION C : fine-tuned the color and contrast, cleaned more noise and gave a little boost on the saturation...

DATA of Version B & C :
> 17 x 270'' @ 6400 iso ; still need to apply some darks to reduce noise and correct the crop between both sessions.

Comments

Author

Ewam
Ewam
License: None (All rights reserved)
8372
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Revisions

  • M 45 : Pleiades in two shots... than in 17 !, 





    
        

            Ewam
    Original
  • M 45 : Pleiades in two shots... than in 17 !, 





    
        

            Ewam
    B
  • Final
    M 45 : Pleiades in two shots... than in 17 !, 





    
        

            Ewam
    C

Sky plot

Sky plot

Histogram

M 45 : Pleiades in two shots... than in 17 !, 





    
        

            Ewam