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Contains:  The star Sirius (αCMa)
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Neighborhood of Sirius, 


            Björn Hoffmann
Neighborhood of Sirius
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Neighborhood of Sirius

Technical card

Dates:Feb. 25, 2019

Frames: 56x30" ISO400

Integration: 0.5 hours

Darks: ~20

Flats: ~20

Bias: ~20

Avg. Moon age: 21.17 days

Avg. Moon phase: 60.32%

Bortle Dark-Sky Scale: 8.00

Mean FWHM: 3.50

Temperature: 8.00

Basic astrometry details job: 2545266

RA center: 6h 45' 10"

DEC center: -16° 44' 49"

Pixel scale: 3.832 arcsec/pixel

Orientation: 86.170 degrees

Field radius: 1.127 degrees

Resolution: 1495x1500

Data source: Backyard


After a long long time, I finally set up my gear again! Okay, just on my balcony in the middle of a large city, but hey, it's a start!
A busy job normally prevents me from using those pretty clear nights. This has to stop! ;)



Björn Hoffmann
License: Attribution-NonCommercial-NoDerivs Creative Commons


  • Neighborhood of Sirius, 


            Björn Hoffmann
  • Final
    Neighborhood of Sirius, 


            Björn Hoffmann


Description: heavy cropping and 3x drizzle! :)

Sky plot

Sky plot


Neighborhood of Sirius, 


            Björn Hoffmann