Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  Extremely wide field
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Cirrus with two filters, 



    
        

            Ulli_K
Cirrus with two filters
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Cirrus with two filters

Technical card

Imaging telescopes or lenses: Canon EF 40mm f/2.8 STM Canon Pancake lens

Imaging cameras: Canon EOS 760D

Mounts: Vixen Polarie Star Tracker

Software: Pleiades Pixinsight 1.8.6 Ripley


Dates:Dec. 16, 2020

Frames: 3x480"

Integration: 0.4 hours

Avg. Moon age: 2.01 days

Avg. Moon phase: 4.48%


Basic astrometry details

Astrometry.net job: 4098792

RA center: 20h 23' 28"

DEC center: +37° 44' 31"

Pixel scale: 19.719 arcsec/pixel

Orientation: 268.902 degrees

Field radius: 19.838 degrees


Resolution: 6024x4022

Locations: Garten, Schwäbisch Gmünd, Germany

Data source: Traveller

Description

My first image with LPS filters. I used a combination of an Optolong L-Pro and an IDAS D2 filter. The combination has a similar effect than an NB2 or L-enhance filter. The night was very humid and I could only use 3 images out of 15 before the lens was foggy.
The other four images are singe frames taken at the same conditions. These are unmodified images right from the camera. My sky is Bortle 4-5

Comments

Revisions

  • Final
    Cirrus with two filters, 



    
        

            Ulli_K
    Original
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            Ulli_K
    B
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            Ulli_K
    C
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            Ulli_K
    D
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            Ulli_K
    E
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            Ulli_K
    F

B

Description: single image 30s / 12800Iso without filter

Uploaded: ...

C

Description: single image 30s / 12800Iso with Optolong L-Pro filter

Uploaded: ...

D

Description: single image 30s / 12800Iso with IDAS D2 filter

Uploaded: ...

E

Description: single image 30s / 12800Iso with a combination of the D2 and L-Pro Filter

Uploaded: ...

F

Description: The figure shows the intensity curve of the L-Pro and the D2 filter. The black dotted line is the filter combination that was obtained by multiplying the intesities of the two filters. Hbeta, OIII, Halpha and SII are shown as vertical lines

Uploaded: ...

Sky plot

Sky plot

Histogram

Cirrus with two filters, 



    
        

            Ulli_K