Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  M 103  ·  NGC 581  ·  NGC 654  ·  NGC 659  ·  NGC 663  ·  The star 44Cas
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M103 & Friends, 


M103 & Friends
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M103 & Friends

Technical card

Imaging telescopes or lenses: TS Photoline 72mm F/6 APO

Imaging cameras: Canon EOS 60D mod

Mounts: SkyWatcher HEQ5 SynScan

Guiding telescopes or lenses: Orion Mini 50mm Guidescope

Guiding cameras: Lacerta M-Gen II

Software: Adobe Lighroom  ·  Pleiades PixInsight

Filters: Hutech IDAS LPS-D1 EOS CLIP

Accessory: TS Optics PHOTOLINE APO Flattener Corrector (TSFLAT72)

Dates:Sept. 17, 2020

Frames:Hutech IDAS LPS-D1 EOS CLIP: 30x90" ISO800

Integration: 0.8 hours

Darks: ~20

Flats: ~20

Flat darks: ~20

Bias: ~200

Avg. Moon age: 0.05 days

Avg. Moon phase: 0.00%

Bortle Dark-Sky Scale: 5.00

Basic astrometry details

Astrometry.net job: 3893900

RA center: 1h 40' 52"

DEC center: +61° 2' 56"

Pixel scale: 1.997 arcsec/pixel

Orientation: 45.096 degrees

Field radius: 1.700 degrees

Resolution: 5100x3400

Locations: Balkon, Dresden, Sachsen, Germany

Data source: Traveller


While waiting for my destination to rise above the horizon I took a few pictures in the area of M 103. With NGC 663 and NGC 654 there are two young star clusters with an age of 15 million and 20-25 million years in the picture. Unfortunately, the guiding did not run properly as planned.



  • M103 & Friends, 


  • Final
    M103 & Friends, 



Sky plot

Sky plot


M103 & Friends, 



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Suburban Astrophotography