Contains:NGC 1999, M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1981, NGC 1973, The star 45Ori, The star ιOri, The star θ2Ori, The star θ1Ori, The star 42Ori
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M42 Big Orion Nebula, 




    

        Andrea Pistocchin...
M42 Big Orion Nebula

M42 Big Orion Nebula

Technical card

Imaging telescope or lens:Tecnosky Apo triplet 80/480

Imaging camera:Canon 450D Modded

Mount:Skywatcher NEQ6 PRO

Guiding telescope or lens:SkyWatcher 70/500

Guiding camera:QHY5 II

Focal reducer:TecnoSky Spianatore/riduttore 0,8x

Software:PixInsight 1.8Photoshop CS6

Filter:Hutech IDAS 2" LPS D1

Resolution: 4500x2892

Dates: Dec. 18, 2014

Frames: 24x300"

Integration: 2.0 hours

Avg. Moon age: 25.82 days

Avg. Moon phase: 14.78%

Astrometry.net job: 500077

RA center: 83.880 degrees

DEC center: -5.291 degrees

Pixel scale: 2.349 arcsec/pixel

Orientation: 91.662 degrees

Field radius: 1.745 degrees

Locations: Germignaga, Germignaga, Varese, Italy

Data source: Unknown

Description

Also this year, here's the M42, the great Orion Nebula! After newton 200/1000 and 70/420, this is the time for 80/480 to collects photons :) Are 24x300 sec at ISO 800 with Canon 450D modified. It is a HDR composition with shots from 5-30-300 sec, for increasing the dynamics and therefore do not saturate the core. External clouds are pretty noisy, but with 2 hours I couldn't expect miracles :)

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Anche quest'anno ecco M42, la grande nebulosa di Orione! Dopo il newton 200/1000 e il rifrattore 70/420, questa volta è toccato all'80/480 il compito di raccogliere i fotoni :) Sono 24x300 sec a 800 ISO con Canon 450D modificata. E' una composizione HDR con scatti da 5-30-300 sec, in modo da aumentare la dinamica e quindi non saturare il nucleo. Le nubi esterne sono abbastanza rumorose, ma da 2 ore non potevo aspettarmi miracoli :)

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pisto92
Andrea Pistocchin...
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    M42 Big Orion Nebula, 




    

        Andrea Pistocchin...
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        Andrea Pistocchin...
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Histogram

M42 Big Orion Nebula, 




    

        Andrea Pistocchin...