Hemisphere:  Northern  ·  Contains:  24 phi Aur  ·  IC 417  ·  IC417  ·  NGC 1931  ·  NGC1931  ·  Sh2-234  ·  Sh2-237  ·  The star φAur
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NGC 1931 and IC417 Revised, 



    
        

            Edoardo Luca Radi...
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NGC 1931 and IC417 Revised

Imaging telescopes or lenses: TS Optics TS APO80Q

Imaging cameras: SBIG ST-2000XM

Mounts: 10 Micron GM1000 HPS

Software: Pixinsight

Filters: Astrodon LRGB CCD 1.25"


Dates:Nov. 22, 2014

Frames:
Astrodon B CCD 1.25": 25x300" bin 1x1
Astrodon G CCD 1.25": 25x300" bin 1x1
Astrodon R CCD 1.25": 25x300" bin 1x1

Integration: 6.2 hours

Avg. Moon age: 29.51 days

Avg. Moon phase: 0.00%


Astrometry.net job: 3474552

RA center: 5h 29' 32"

DEC center: +34° 19' 49"

Pixel scale: 2.816 arcsec/pixel

Orientation: 0.870 degrees

Field radius: 0.783 degrees


Resolution: 1600x1200

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

Data source: Traveller

Description

Here a new processing of an old picture revised with a new gradient removal technique.
In this new processing the gradient model was obtained comparing a larger field image using as a reference to build a large scale correcting image.

The result is very good compared with the old image.

Here te link to the old processing.

Comments

Author

astroedo
Edoardo Luca Radi...
License: Attribution-NonCommercial-NoDerivs Creative Commons
1220
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Revisions

  • Final
    NGC 1931 and IC417 Revised, 



    
        

            Edoardo Luca Radi...
    Original
  • NGC 1931 and IC417 Revised, 



    
        

            Edoardo Luca Radi...
    B

B

Description: Plate solved an annotated by PixInsight

Sky plot

Sky plot

Histogram

NGC 1931 and IC417 Revised, 



    
        

            Edoardo Luca Radi...

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