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I agreeImaging telescope or lens:Altair Astro RC250-TT 10" RC Truss Tube
Imaging camera:ZWO ASI1600MM-Cool
Mount:Astro-Physics Mach-1 GTO CP4
Guiding telescope or lens:Celestron OAG Deluxe
Guiding camera:QHYCCD QHY5III174
Focal reducer:Riccardi Reducer/Flattener 0.75x
Software:Main Sequence Software Seqence Generator Pro, Astro-Physics AAPC, Pleiades Astrophoto PixInsight
Filters:Astrodon L Gen.2 E-series 36mm, Astrodon HA 36mm - 5nm, Astrodon B Gen.2 E-series 36mm, Astrodon G Gen.2 E-series 36mm, Astrodon R Gen.2 E-series 36mm
Accessories:ZWO EFW, MoonLite NiteCrawler WR30
Resolution: 2328x1760
Dates:June 4, 2019, June 7, 2019, June 8, 2019, June 18, 2019
Frames:
Astrodon B Gen.2 E-series 36mm: 36x180" (gain: 75.00) -20C bin 1x1
Astrodon G Gen.2 E-series 36mm: 38x180" (gain: 75.00) -20C bin 1x1
Astrodon HA 36mm - 5nm: 12x600" (gain: 200.00) -20C bin 1x1
Astrodon L Gen.2 E-series 36mm: 175x180" (gain: 75.00) -20C bin 1x1
Astrodon R Gen.2 E-series 36mm: 34x180" (gain: 75.00) -20C bin 1x1
Integration: 16.1 hours
Avg. Moon age: 6.73 days
Avg. Moon phase: 37.75%
Astrometry.net job: 2782567
RA center: 210.801 degrees
DEC center: 54.351 degrees
Pixel scale: 1.004 arcsec/pixel
Orientation: 269.782 degrees
Field radius: 0.407 degrees
Locations: AAS Montsec, Àger, Lleida, Spain
Data source: Own remote observatory
Remote source: Non-commercial independent facility
The Pinwheel Galaxy (Messier 101 or NGC 5457) is a spiral galaxy distanced 21 million light-years away from Earth
M101 is a large galaxy, with a diameter of 170,000 light-years. By comparison, the Milky Way has a diameter of 258,000 light years. It has around a trillion stars, twice the number in the Milky Way.
It has a disk mass on the order of 100 billion solar masses, along with a small central bulge of about 3 billion solar masses.
(desc. credits: Wikipedia)
better star process
| Cloudy Nights |
| Ritchey Chretien telescopes GSO Family |
| CMOS Imagers |
| ZWO ASI1600MM/QHY163M |
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