Hemisphere:  Northern  ·  Contains:  B144  ·  Sh2-101
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Tulip Nebula (Sh2-101) close-up in HSOrgb, 



    
        

            Jose Carballada
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Tulip Nebula (Sh2-101) close-up in HSOrgb

Imaging telescopes or lenses: Altair Astro RC250-TT 10" RC Truss Tube

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Astro-Physics Mach-1 GTO CP4

Guiding telescopes or lenses: Celestron OAG Deluxe

Guiding cameras: QHYCCD QHY5III174

Focal reducers: Riccardi Reducer/Flattener 0.75x

Software: Pleiades Astrophoto PixInsight  ·  Astro-Physics AAPC  ·  Seqence Generator Pro

Filters: Astrodon O-III 36mm - 5nm  ·  Astrodon S-II 36mm - 5nm  ·  Astrodon R Gen.2 E-series 36mm  ·  Astrodon G Gen.2 E-series 36mm  ·  Astrodon B Gen.2 E-series 36mm  ·  Astrodon HA 36mm - 5nm

Accessory: ZWO EFW  ·  MoonLite NiteCrawler WR30


Dates:June 22, 2019June 23, 2019June 24, 2019June 26, 2019June 27, 2019June 28, 2019

Frames:
Astrodon B Gen.2 E-series 36mm: 35x30" (gain: 75.00) -20C bin 1x1
Astrodon G Gen.2 E-series 36mm: 35x30" (gain: 75.00) -20C bin 1x1
Astrodon HA 36mm - 5nm: 131x600" (gain: 200.00) -20C bin 1x1
Astrodon O-III 36mm - 5nm: 33x600" (gain: 200.00) -20C bin 1x1
Astrodon R Gen.2 E-series 36mm: 35x30" (gain: 75.00) -20C bin 1x1
Astrodon S-II 36mm - 5nm: 31x600" (gain: 200.00) -20C bin 1x1

Integration: 33.4 hours

Avg. Moon age: 22.26 days

Avg. Moon phase: 48.88%


Astrometry.net job: 2789822

RA center: 19h 59' 46"

DEC center: +35° 21' 9"

Pixel scale: 0.671 arcsec/pixel

Orientation: -0.072 degrees

Field radius: 0.398 degrees


Resolution: 2568x3411

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

The Tulip Nebula (Sharpless 101) is an emission nebula in Cygnus.
It lies at an approximate distance of 6,000 light years from Earth and has a linear diameter of about 70 light years.
It's apparent magnitude is 9.0 and it occupies an area of 16 x 9 arc minutes of apparent sky.

I used HSO palette with RGB stars. More than 33 hours of integration time, selecting only the best frames of the total valid frames captured (80%).

All c&c will be appreciated.

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Author

Carballada
Jose Carballada
License: Attribution-NonCommercial-ShareAlike Creative Commons
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Tulip Nebula (Sh2-101) close-up in HSOrgb, 



    
        

            Jose Carballada