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





    
        

            Wolfgang Zimmermann
IC 1805 @ My First Dithering

IC 1805 @ My First Dithering

Technical card

Resolution: 1258x935

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

Astrometry.net job: 2312224

RA center: 36.644 degrees

DEC center: 62.056 degrees

Pixel scale: 1.797 arcsec/pixel

Orientation: 93.294 degrees

Field radius: 0.391 degrees

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)
2170
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
  • Final
    IC 1805 @ My First Dithering, 





    
        

            Wolfgang Zimmermann
    D

B

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

C

Detail 100%, include dithering

D

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

Sky plot

Sky plot

Histogram

IC 1805 @ My First Dithering, 





    
        

            Wolfgang Zimmermann

In these public groups

The refractors!