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Contains:  M 101, M101, NGC 5455, NGC 5457, NGC 5461, NGC 5471, NGC5447, NGC5449, NGC5450, NGC5451, NGC5453, NGC5455, NGC5461, NGC5462, NGC5471, Pinwheel galaxy
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            Hans Widmer
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Technical card

Imaging telescopes or lenses:Takahashi CCA-250

Imaging cameras:ZWO ASI 1600MM-Pro

Mounts:Paramount ME II with on axis encoders

Guiding telescopes or lenses:Dithering without guiding

Guiding cameras:NA

Focal reducers:NA

Software:Software Bisque TheSkyX ProfessionalPixInsight

Filters:Baader Planetarium UHC-S


Dates:March 31, 2020April 1, 2020April 4, 2020April 5, 2020April 6, 2020

Frames:Baader Planetarium UHC-S: 271x150" (gain: 50.00) -15C bin 1x1

Integration: 11.3 hours

Darks: ~60

Flats: ~30

Bias: ~30

Avg. Moon age: 9.83 days

Avg. Moon phase: 71.79%

Bortle Dark-Sky Scale: 8.00 job: 3393930

RA center: 14h 3' 6"

DEC center: +54° 22' 6"

Pixel scale: 0.314 arcsec/pixel

Orientation: 87.739 degrees

Field radius: 0.370 degrees

Resolution: 6000x6000

Locations: Unterflur-Observatorium, Wallisellen, Switzerland

Data source: Own remote observatory

Remote source: Non-commercial independent facility



Hans Widmer
License: None (All rights reserved)

Sky plot

Sky plot




            Hans Widmer