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Contains:  IC 353, Merope nebula, NGC 1435, Maia nebula, NGC 1432, The star 32Tau, 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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The Worst, The Best and The Final, 





    
        

            Edoardo Luca Radi...
The Worst, The Best and The Final

The Worst, The Best and The Final

Technical card

Resolution: 3456x2304

Dates:Nov. 21, 2014

Frames: 71x180" ISO1600

Integration: 3.5 hours

Darks: ~20

Bias: ~40

Avg. Moon age: 28.49 days

Avg. Moon phase: 1.21%

Mean SQM: 21.20

Astrometry.net job: 425153

RA center: 57.117 degrees

DEC center: 24.536 degrees

Pixel scale: 7.327 arcsec/pixel

Orientation: 90.288 degrees

Field radius: 4.226 degrees

Locations: Bazena - Passo Crocedomini, Breno, Brescia, Italy

Description

On saturday the 22th of november I went to Bazena to take a few pictures of the sky.

The night was clear and dry, but high veils passed all the night long.
With my Canon 350D on the Star Adventurer i took a long series of shots on M45 The Pleiades.
Unfortunately veils has created huge halos around bright stars in most of them.

Using PixInsight with SubframeSelector scrip I've selected the better ones based on sky median value (if veils are present the median value goes up) and only 71 on 150 frames survived after the quality control

here the composition of the survivors.
Image A the worst in the series
Image B the best in the series

Image D a small amount of star reduction

Sabato 22 novembre sono andato a Bazena per scattare alcune foto del cielo.

La notte è stata serena e secca, ma parecchi veli sono passati per tutta la notte.
Con la mia Canon 350D sullo Star Adventurer ho scattato una lunga serie di immagini M45 Le Pleiadi.
Purtroppo, nella maggior parte delle immagini i veli hanno creato enormi aloni intorno alle stelle luminose.

Utilizzando PixInsight con lo script SubframeSelector ho selezionato quelli migliori sulla base del valore della mediana del cielo (se sono presenti veli il valore mediano sale) e solo 71 su 150 fotogrammi sono sopravvissuti dopo il controllo di qualità

Ecco la composizione dei superstiti

Immagine A: la peggiore della serie
Immagine B la migliore delle serie

Immagine D: leggera riduzione dei diametri stellari

Comments

Author

astroedo
Edoardo Luca Radi...
License: Attribution-NonCommercial-NoDerivs Creative Commons
19609
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Revisions

  • The Worst, The Best and The Final, 





    
        

            Edoardo Luca Radi...
    Original
  • The Worst, The Best and The Final, 





    
        

            Edoardo Luca Radi...
    B
  • The Worst, The Best and The Final, 





    
        

            Edoardo Luca Radi...
    C
  • Final
    The Worst, The Best and The Final, 





    
        

            Edoardo Luca Radi...
    D

Sky plot

Sky plot

Histogram

The Worst, The Best and The Final, 





    
        

            Edoardo Luca Radi...