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SH2-129 and OU-4, EF200 f/2.8  /  ATIK ONE  /  AZEQ6, 



    
        

            Pulsar59
SH2-129 and OU-4, EF200 f/2.8  /  ATIK ONE  /  AZEQ6
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SH2-129 and OU-4, EF200 f/2.8 / ATIK ONE / AZEQ6

Technical card


Dates:Dec. 27, 2019Dec. 28, 2019Jan. 15, 2020

Frames:
Baader Planetarium H-Alpha Filter 7nm: 100x300" bin 1x1
Baader Planetarium O3 1.25" 8.5nm: 85x900" -10C bin 1x1
Baader RGB 1.25'' Filters: 16x300" bin 1x1

Integration: 30.9 hours

Darks: ~31

Flats: ~31

Bias: ~31

Avg. Moon age: 7.81 days

Avg. Moon phase: 26.70%

Mean SQM: 20.05

Temperature: 3.00


Basic astrometry details

Astrometry.net job: 3186950

RA center: 21h 11' 0"

DEC center: +60° 6' 36"

Pixel scale: 4.022 arcsec/pixel

Orientation: 86.803 degrees

Field radius: 2.270 degrees


Resolution: 3200x2504

Locations: Mon jardin, Sud Picardie, Oise, France; Ambon, Ambon, Bretagne, France

Data source: Traveller

Description

The O3 images have been acquired in my usual polluted sky (SQM 19-19,5) with a 8,5 nm Baader filter. This is obviously not an ideal combination. I wanted to test the limits of my sky and filters on a difficult object. I decided to use the Canon EF200 lens full open (at f/2,8) to increase a little bit the chances to see something. As a result, stars have suffered a bit.
Ha signal has been acquired in a better sky (SQM 20.8), also at f/2,8.

Version B is the negative of O3 layer, showing O3 halo around OU-4.
Version D is a much improved processing, especially of stars and O3 layer. The O3 halo around OU-4 is slightly visible.
Version F is RVB color added to the stars.

Comments

Author

Pulsar59
Pulsar59
License: None (All rights reserved)
3126
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Revisions

  • SH2-129 and OU-4, EF200 f/2.8  /  ATIK ONE  /  AZEQ6, 



    
        

            Pulsar59
    Original
  • SH2-129 and OU-4, EF200 f/2.8  /  ATIK ONE  /  AZEQ6, 



    
        

            Pulsar59
    B
  • SH2-129 and OU-4, EF200 f/2.8  /  ATIK ONE  /  AZEQ6, 



    
        

            Pulsar59
    D
  • Final
    SH2-129 and OU-4, EF200 f/2.8  /  ATIK ONE  /  AZEQ6, 



    
        

            Pulsar59
    F

Sky plot

Sky plot

Histogram

SH2-129 and OU-4, EF200 f/2.8  /  ATIK ONE  /  AZEQ6, 



    
        

            Pulsar59

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