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Contains:  Hourglass nebula, IC 4701, Lagoon nebula, M 17, M 7, M 8, NGC 6334, NGC 6357, NGC 6383, NGC 6475, NGC 6523, NGC 6526, NGC 6618, Omega nebula, Part of the constellation Sagittarius (Sgr), Part of the constellation Scorpius (Sco), Sargas (θSco), The constellation Corona Austrina (CrA), The star Ascella (ζSgr), The star Girtab, The star Kaus Australis (εSgr), The star Kaus Borealis (λSgr), The star Lesath (υSco), The star Media (δSgr), The star Nunki (σSgr), The star Shaula (λSco), The star κSco, The star πSgr

Image of the day 06/13/2014

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    Milky Way on board a 747, over the Atlantic Ocean, 


            Alessandro Merga...
    Milky Way on board a 747, over the Atlantic Ocean
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    Milky Way on board a 747, over the Atlantic Ocean

    Technical card

    Imaging telescopes or lenses:Canon EF 28 f/1.8

    Imaging cameras:Canon EOS 450D / Digital Rebel XSi / Kiss X2

    Software:Adobe Photoshop CS6

    Dates:June 7, 2014

    Frames: 1x10" ISO1600

    Integration: 0.0 hours

    Avg. Moon age: 8.90 days

    Avg. Moon phase: 65.81%

    Bortle Dark-Sky Scale: 1.00

    Basic astrometry details job: 296866

    RA center: 18h 54' 38"

    DEC center: -28° 49' 30"

    Pixel scale: 37.539 arcsec/pixel

    Orientation: 167.442 degrees

    Field radius: 26.762 degrees

    Resolution: 4272x2848

    Locations: Manhattan - NY, New York, NY, United States


    APOD June 14, 2014

    The conditions were "good", clear sky (at 11km surprise me if it were the contrary), zero light pollution (Bortle 0), the problems were mostly technical: make a long exposure on something that moves at 598 mph (960 km/h).
    The only solution was to make an exposure as short as possible, but capturing enough light, so I used a 28mm f1.8 wide open, setting the canon to 1600iso ( the maximum for my 450D) trusting that then during the post-processing maybe I could push to 3200 or 6400iso, for the exposition I went to attempts from 30 seconds down, I took 93 pictures of which only one good (with 10 sec exposure).
    To obtain the highest possible stability I put the Gorillapod between the armrest and the fuselage, covering me with a blanket to block all reflections coming from inside.

    Image taken on board a British Airways 747-400 on a flight from New York to London.
    Time: 01:00 NY time zone
    Location: Over the Atlantic Ocean, about 220 miles (350 km) from Halifax (Nova Scotia, Canada)
    Altitude: 37000 ft (11000 m)
    Speed: 598 mph (962 kmh)
    Outside Temperature: - 68° F (-55° C)

    Canon EF 28 f1.8 @ f1.8
    Canon EOS 450D, 10 sec, 1600 ISO



    Alessandro Merga...
    License: None (All rights reserved)

    Sky plot

    Sky plot


    Milky Way on board a 747, over the Atlantic Ocean, 


            Alessandro Merga...