Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1795  ·  IC 1805  ·  NGC 1027  ·  NGC 896
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Heart Nebula (bad data), 


            Tyler Jackson Welch
Heart Nebula (bad data)
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Heart Nebula (bad data)

Technical card

Imaging telescopes or lenses: William Optics Star71-II

Imaging cameras: QHYCCD QHY10 Color

Mounts: CGEM

Guiding telescopes or lenses: ZWO 60/280 GuideScope

Guiding cameras: ASI120MC

Software: PixInsight

Filters: Astronomik CLS CCD 2"

Dates:Oct. 20, 2016

Frames: 32x300"

Integration: 2.7 hours

Avg. Moon age: 19.71 days

Avg. Moon phase: 74.81%

Basic astrometry details

Astrometry.net job: 1317623

RA center: 2h 34' 49"

DEC center: +61° 23' 9"

Pixel scale: 3.609 arcsec/pixel

Orientation: 269.670 degrees

Field radius: 2.231 degrees

Resolution: 3705x2465

Locations: Home (backyard), Beaver Dam, WI, United States


This was data from a Star71-II that I had. it had major optical issues, pinches optics and collimation issues. it was sent back! posting this data to show some of the issues this type of scope can have so others can see.



  • Heart Nebula (bad data), 


            Tyler Jackson Welch
  • Final
    Heart Nebula (bad data), 


            Tyler Jackson Welch

Sky plot

Sky plot


Heart Nebula (bad data), 


            Tyler Jackson Welch

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