Hemisphere:  Southern  ·  Constellation: Eridanus (Eri)  ·  Contains:  65 psi Eri  ·  IC2118  ·  NGC 1752  ·  NGC 1909  ·  NGC1752  ·  NGC1797  ·  NGC1799  ·  PK205-26.1  ·  The star ψEri  ·  Witch Head nebula  ·  the Witch Head Nebula
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IC2118 Witch Head Nebula, 



    
        

            Mark Eby
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IC2118 Witch Head Nebula

Imaging telescopes or lenses: Stellarvue SV70T

Imaging cameras: ZWO ASI 1600MM Cooled Pro

Mounts: Celestron CI-700

Guiding cameras: QHYCCD QHY5L II Autoguider

Focal reducers: Stellarvue SFFR-70APO

Software: PixInsight 1.8  ·  Stark Labs PHD Giuding  ·  Stark Labs Nebulosity 4

Filters: ZWO LRGB 1.25" optimized for ASI1600

Accessory: Orion Thin OAG  ·  ZWO EFW 5x1.25


Frames:
B: 10x120" (gain: 200.00)
G: 10x120" (gain: 200.00)
L: 90x120" (gain: 139.00)
R: 10x120" (gain: 200.00)

Integration: 4.0 hours


Astrometry.net job: 4183361

RA center: 5h 4' 38"

DEC center: -7° 13' 58"

Pixel scale: 4.441 arcsec/pixel

Orientation: 174.929 degrees

Field radius: 1.858 degrees


Resolution: 1819x2400

Locations: SDAA Dark Sky Observing Site, Tierra del Sol, CA, United States

Data source: Traveller

Description

IC2118 Witch Head Nebula
IC2118 is a reflection nebula, illuminated by the bright star Rigel, not seen on the image but off to the right. Rigel is the bottom-right star of the constellation Orion. The Witch Head is located 900 light-years from us, and is quite possibly a super nova remnant. North is at the bottom.

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