Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7510  ·  NGC7510  ·  OQ Cep  ·  PK110-00.1  ·  QV Cep  ·  QW Cep  ·  Sh2-157  ·  V Cas  ·  V0356 Cep  ·  V0458 Cep  ·  V0563 Cas  ·  V0569 Cas  ·  V0570 Cas  ·  V0628 Cas  ·  V0807 Cas
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SH2-157  Lobster claw nebula, 



    
        

            Arnaud Peel
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SH2-157 Lobster claw nebula

Getting plate-solving status, please wait...
SH2-157  Lobster claw nebula, 



    
        

            Arnaud Peel
Powered byPixInsight

SH2-157 Lobster claw nebula

Technical card

Imaging telescopes or lenses: LACERTA NEWTON NEWTON 300 F4 /1200mm

Imaging cameras: ZWO ASI6200MM

Mounts: AstroPhysics AP1100 CP3

Guiding telescopes or lenses: LACERTA NEWTON NEWTON 300 F4 /1200mm

Guiding cameras: ZWO ASI290M

Focal reducers: Wynne Coma Corrector 3"

Software: PinInsight 1.8  ·  PHD Labs PHD 2 Guiding  ·  SGP Pro

Filters: Chroma SII 3nm  ·  Chroma OIII 3nm  ·  LRGB  ·  Chroma Ha 3nm


Dates:Oct. 31, 2020

Frames:
Chroma Ha 3nm: 61x300" bin 1x1
Chroma OIII 3nm: 110x300" bin 1x1
Chroma SII 3nm: 45x300" bin 1x1

Integration: 18.0 hours

Avg. Moon age: 14.65 days

Avg. Moon phase: 99.98%


Astrometry.net job: 4198329

RA center: 23h 14' 56"

DEC center: +60° 9' 55"

Pixel scale: 1.275 arcsec/pixel

Orientation: 89.120 degrees

Field radius: 1.001 degrees


Resolution: 4715x3099

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Sh2-157 is an emission nebula in the constellation Cassiopeia and Cepheus at a distance of 8,000 light years.
The 2 claw arcs declined in SG13 and SG14 would be the consequence of a Wolf Rayet star which belongs to the open cluster Markarian 50 or Ba3.

61 Halpha subs @300s gain 100 and -15°C
110 OIII subs @300s gain 100 and -15°C
45 SII subs @300s gain 100 and -15°C

Total exposure = 18 hours

Comments

Revisions

    SH2-157  Lobster claw nebula, 



    
        

            Arnaud Peel
    Original
  • Final
    SH2-157  Lobster claw nebula, 



    
        

            Arnaud Peel
    B

Sky plot

Sky plot

Histogram

SH2-157  Lobster claw nebula, 



    
        

            Arnaud Peel