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Contains:  Praesepe, M 44, Beehive cluster, NGC 2632
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M44 - Amas de la Crèche, 





    
        

            Jean-Baptiste Auroux
M44 - Amas de la Crèche

M44 - Amas de la Crèche

Technical card

Resolution: 2749x2199

Dates:Feb. 24, 2019

Frames:
Astronomik LRGB 1,25": 36x300" -10C bin 1x1
Astronomik L 1.25": 12x300" -10C bin 1x1

Integration: 4.0 hours

Darks: ~64

Flats: ~14

Bias: ~101

Avg. Moon age: 20.16 days

Avg. Moon phase: 70.50%

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 2626225

RA center: 129.954 degrees

DEC center: 19.656 degrees

Pixel scale: 2.921 arcsec/pixel

Orientation: 21.424 degrees

Field radius: 1.428 degrees

Locations: Fouras, Fouras, Charente-Maritime, France

Data source: Backyard

Description

Premier essai de mon nouveau réducteur de focale 0,7x pour ma petite Apo66/400.

First test of my new reducer 0,7x for my 66/400 refractor.

Comments

Author

Jean-Baptiste_Paris
Jean-Baptiste Auroux
License: None (All rights reserved)
2361
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Revisions

  • M44 - Amas de la Crèche, 





    
        

            Jean-Baptiste Auroux
    Original
  • M44 - Amas de la Crèche, 





    
        

            Jean-Baptiste Auroux
    B
  • M44 - Amas de la Crèche, 





    
        

            Jean-Baptiste Auroux
    C
  • Final
    M44 - Amas de la Crèche, 





    
        

            Jean-Baptiste Auroux
    D

B

Slight boost of saturation.

C

Final version.

D

PCC calibration

Sky plot

Sky plot

Histogram

M44 - Amas de la Crèche, 





    
        

            Jean-Baptiste Auroux