Hemisphere:  Southern  ·  Constellation: Dorado (Dor)  ·  Contains:  NGC 1966  ·  NGC 2048  ·  NGC 2070  ·  NGC 2077  ·  Tarantula nebula
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Caldwell 103 - NGC2070 - 30 Doradus - Tarantula Nebula in a wide field shot of its home The Large Magellanic Cloud , 



    
        

            Geoff Scott
Caldwell 103 - NGC2070 - 30 Doradus - Tarantula Nebula in a wide field shot of its home The Large Magellanic Cloud
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Caldwell 103 - NGC2070 - 30 Doradus - Tarantula Nebula in a wide field shot of its home The Large Magellanic Cloud

Technical card

Imaging telescopes or lenses: Apogee OrthoStar LOMO 80/480

Imaging cameras: Canon EOS 40D

Mounts: NEQ6 Pro

Guiding telescopes or lenses: Orion USA ShortTube 80

Guiding cameras: Starlight Xpress Superstar

Focal reducers: 0.8x Focal Reducer

Software: Binary Rivers Backyard EOS  ·  PHD Guiding  ·  Luc Coiffier Deep Sky Stacker 3.3.3 beta 51  ·  Imaginova Starry Night Pro  ·  Photoshop CS5  ·  EQMod EQASCOM

Filters: HUTECH IDAS LPS P2

Accessory: JMI Motofocus


Dates:Oct. 30, 2013

Frames:HUTECH IDAS LPS P2: 13x90" (19' 30") ISO800

Integration: 19' 30"

Darks: ~45

Bias: ~75

Avg. Moon age: 25.38 days

Avg. Moon phase: 18.23%

Bortle Dark-Sky Scale: 7.00

Temperature: 20.00


Basic astrometry details

Astrometry.net job: 116738

RA center: 5h 30' 23"

DEC center: -69° 17' 27"

Pixel scale: 3.083 arcsec/pixel

Orientation: -5.932 degrees

Field radius: 2.004 degrees


Resolution: 620x413

Locations: Willetton, Willetton, Western Australia, Australia

Description

I took the opportunity of testing a new Tele Vue 0.8X Reducer/Flattener on a ~ 3.3 x ~2.2 degree portion of the Large Magellanic Cloud, including the familiar Tarantula Nebula to the centre right (see 1st October 2013 for a targeted shot). The LMC is ~11 x 9 degrees in extent and ~180,00 light years from Earth. It and the Small Magellanic Cloud are the two brightest satellite a galaxies of our Milky Way galaxy and are ~1000 times smaller.

They will be unfamiliar to northern hemisphere viewers as they are ~60 degrees south of the celestial equator and only named in modern times during Ferdinand Magellan's voyages of the 1520 period.

There is some vignetting evident in this configuration cause corner light drop off that could be corrected with flat frames or Photoshop cleverness.

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Caldwell 103 - NGC2070 - 30 Doradus - Tarantula Nebula in a wide field shot of its home The Large Magellanic Cloud , 



    
        

            Geoff Scott