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Contains:  IC 1795, IC 1805, NGC 896
Getting plate-solving status, please wait...
IC 1805 @ My First Dithering, 


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

Technical card

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 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


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



Wolfgang Zimmermann
License: None (All rights reserved)


  • IC 1805 @ My First Dithering, 


            Wolfgang Zimmermann
  • Final
    IC 1805 @ My First Dithering, 


            Wolfgang Zimmermann


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

Sky plot

Sky plot


IC 1805 @ My First Dithering, 


            Wolfgang Zimmermann

In these public groups

The refractors!