Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)
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Propeller Nebula (Simeis 57) in HSTrgb, 



    
        

            Jose Carballada
Propeller Nebula (Simeis 57) in HSTrgb
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Propeller Nebula (Simeis 57) in HSTrgb

Getting plate-solving status, please wait...
Propeller Nebula (Simeis 57) in HSTrgb, 



    
        

            Jose Carballada
Propeller Nebula (Simeis 57) in HSTrgb
Powered byPixInsight

Propeller Nebula (Simeis 57) in HSTrgb

Imaging telescopes or lenses: Teleskop Service TS Photoline 107mm f/6.5 Super-Apo

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  ·  Seqence Generator Pro  ·  Astro-Physics AAPC

Filters: Astrodon HA 36mm - 5nm  ·  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

Accessory: ZWO EFW  ·  MoonLite NiteCrawler WR30


Dates:Sept. 11, 2018Sept. 15, 2018Sept. 19, 2018Sept. 20, 2018

Frames:
Astrodon B Gen.2 E-series 36mm: 15x5" (1' 15") (gain: 200.00) -20C bin 1x1
Astrodon G Gen.2 E-series 36mm: 15x5" (1' 15") (gain: 200.00) -20C bin 1x1
Astrodon HA 36mm - 5nm: 41x300" (3h 25') (gain: 200.00) -20C bin 1x1
Astrodon O-III 36mm - 5nm: 15x300" (1h 15') (gain: 200.00) -20C bin 1x1
Astrodon R Gen.2 E-series 36mm: 15x5" (1' 15") (gain: 200.00) -20C bin 1x1
Astrodon S-II 36mm - 5nm: 16x300" (1h 20') (gain: 200.00) -20C bin 1x1

Integration: 6h 3' 45"

Avg. Moon age: 7.04 days

Avg. Moon phase: 48.53%


Astrometry.net job: 2281585

RA center: 20h 16' 19"

DEC center: +43° 43' 30"

Pixel scale: 2.930 arcsec/pixel

Orientation: 270.000 degrees

Field radius: 1.158 degrees


Resolution: 2272x1714

Data source: Backyard

Description

The peculiar nebula Simeis 57.

Simeis 57 (also known as HS 191 and C 191) is a high surface-brightness nebula in the constellation

Cygnus. The distance nor the source of excitation of Simeis 57 are known.

https://arxiv.org/pdf/astro-ph/0211428v1.pdf

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  • Propeller Nebula (Simeis 57) in HSTrgb, 



    
        

            Jose Carballada
    Original
  • Final
    Propeller Nebula (Simeis 57) in HSTrgb, 



    
        

            Jose Carballada
    B

B

Description: less green

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Propeller Nebula (Simeis 57) in HSTrgb, 



    
        

            Jose Carballada