Hemisphere:  Northern  ·  Contains:  1 alf UMi  ·  2 UMi  ·  23 del UMi  ·  24 UMi  ·  IC1139  ·  IC1143  ·  NGC1544  ·  NGC3172  ·  NGC6252  ·  Part of the constellation Ursa Minor (UMi)  ·  Polaris  ·  Polarissima Borealis  ·  Sh2-178  ·  The star 24UMi  ·  The star Polaris (αUMi)  ·  The star Yildun (δUMi)  ·  Yildun  ·  lam UMi
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Polaris Flare, 



    
        

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Polaris Flare

Technical card

Imaging telescopes or lenses: Samyang 135 f/2

Imaging cameras: Moravian G3-16200FW

Mounts: SkyWatcher NEQ6 Pro Goto

Software: Incanus APT Astro Photography Tool  ·  EQAscom EQMOD  ·  Adobe Phosotshop CS5  ·  Pixinsight 1.8  ·  PHD2  ·  ProDigital StarSpikes Pro

Filters: Baader LRGB 2"


Dates:Nov. 15, 2017

Frames:Baader LRGB 2": 160x60" bin 1x1

Integration: 2.7 hours

Avg. Moon age: 26.75 days

Avg. Moon phase: 8.50%

Mean SQM: 21.15


Astrometry.net job: 3930843

RA center: 16h 17' 54"

DEC center: +88° 29' 0"

Pixel scale: 9.617 arcsec/pixel

Orientation: -47.057 degrees

Field radius: 7.142 degrees


Resolution: 4216x3284

Locations: Backyard, Balatonszárszó, Hungary

Data source: Backyard

Description

This is a reprocessing of my data from 2017. I tried to fix the effect of the field rotation, which made a strong and strange reflection (on f/2!) around the bright stars even in 60 seconds. The correction resulted the multiple spikes around Polaris.

Additionally I have uploaded a starless version too.

Comments

Author

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Like

Revisions

    Polaris Flare, 



    
        

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    Original
    Polaris Flare, 



    
        

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    B
    Polaris Flare, 



    
        

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    C
  • Final
    Polaris Flare, 



    
        

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    D

B

Description: less contrast

C

Description: starless

Sky plot

Sky plot

Histogram

Polaris Flare, 



    
        

            xordi