Hemisphere:  Northern  ·  Contains:  IC 1795  ·  IC 1805  ·  NGC 896
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IC 1805 @ My First Dithering, 



    
        

            Wolfgang Zimmermann
IC 1805 @ My First Dithering
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IC 1805 @ My First Dithering

Technical card

Imaging telescopes or lenses: TS OPTICS APO65Q 65mm F/6,5 Quadruplet Astrograph

Imaging cameras: Canon EOS 80D modifiziert

Mounts: CGEM

Guiding telescopes or lenses: TS Sucher 8x50

Guiding cameras: ZWO optical ASI 120 MM

Software: O'Telescope BackYard EOS  ·  Adobe Photoshop 5 CS  ·  DeepSkyStacker x64 by Luc Coiffier, Tony Cook, David C. Partridge DSS 4.1.1  ·  PHD2 Guiding 2.62 Autoguiding Software  ·  Astronomy tools for Photoshop

Filters: HUTECH IDAS LPS P2


Dates:Oct. 14, 2018

Frames:HUTECH IDAS LPS P2: 20x420" ISO800

Integration: 2.3 hours

Darks: ~20

Bias: ~32

Avg. Moon age: 5.35 days

Avg. Moon phase: 29.01%

Bortle Dark-Sky Scale: 3.00

Temperature: 18.00


Basic astrometry details

Astrometry.net job: 2314023

RA center: 2h 32' 16"

DEC center: +61° 26' 38"

Pixel scale: 1.762 arcsec/pixel

Orientation: 91.895 degrees

Field radius: 1.765 degrees


Resolution: 6024x4022

Locations: Terassensternwarte, Selm-Bork, NRW, Germany

Data source: Backyard

Description

In the past, I often had streaks in the recording. Yesterday I did dithering for the first time. Finally no streaks. I'm excited. I was surprised that the guiding was doing so well.

IC 1805 - without dithering
8x420 seconds
https://www.astrobin.com/371646/0/?real=&nc=user

Comments

Author

Wolfi2055
Wolfgang Zimmermann
License: None (All rights reserved)
3100
Like

Revisions

  • IC 1805 @ My First Dithering, 



    
        

            Wolfgang Zimmermann
    Original
  • IC 1805 @ My First Dithering, 



    
        

            Wolfgang Zimmermann
    B
  • IC 1805 @ My First Dithering, 



    
        

            Wolfgang Zimmermann
    C
  • IC 1805 @ My First Dithering, 



    
        

            Wolfgang Zimmermann
    D
  • Final
    IC 1805 @ My First Dithering, 



    
        

            Wolfgang Zimmermann
    E

B

Description: detail 100%, without dithering, despite the noise, the traces are still visible

C

Description: Detail 100%, include dithering

D

Description: New processing attempt. The noise can not be completely eliminated. It probably lacks more exposures.

E

Description: obviously this revision "D" is broken ??? uploaded it again

Sky plot

Sky plot

Histogram

IC 1805 @ My First Dithering, 



    
        

            Wolfgang Zimmermann

In these public groups

The refractors!