Alnitak izarretik gertu,
bi nebulosa nabarmen. Zaldi-buru nebulosa (Barnard 33), nebulosa
txikia da Orion konstelazioan, Alnitak izarretik hegoaldean
aurkitzen da eta Lurretik 1375 argi urtera dago. Sugar nebulosa
berriz, NGC2024, nebulosa igorlea da 900-1500 argi-urte biartean
kokatua.
Near to Alnitak star, two
nice nebulas. The Horsehead Nebula (Barnard 33) is a small dark
nebula in the constellation Orion located just to the south of
Alnitak at 1375 light years distance. The Flame Nebula,
designated as NGC 2024 is an emission nebula about 900 to 1500
light-years away.
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Objektua: Zaldi-buru nebulosa.
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Esposizio-denbora: 16x300s (L), 3x600s (Ha) + 8x300s (R) + 8x300s (G)
+ 8x300s (B).
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Processing:
PixInsight Core 1.8.
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Teleskopioa: Takahashi FSQ-106EDX
eta EM-200Temma2Jr. Seletek Armadillo / Focusmax.
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Kamera: Apogee U16M / AFW-50-7S.
Astrodon E-Series genII iragazkiak.
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Jarraipena:
FS-60CSV, QHY-5, PHDguiding.
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Behaketa tokia:
Auñamendiak.
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Data: 2013ko abenduak 3.
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● Object: Horsehead
nebula.
● Exposure:
16x300s (L),
3x600s (Ha) + 8x300s (R) + 8x300s (G)
+ 8x300s (B).
● Processing:
PixInsight Core 1.8.
● Telescope:
Takahashi FSQ-106EDX on EM-200Temma2Jr. Seletek Armadillo / Focusmax.
● Camera:
Apogee U16M / AFW-50-7S. Astrodon E-Series genII filters.
● Guiding:
FS-60CSV, QHY-5, PHDguiding.
● Location:
Pyrenees.
● Date:
3rd
of December 2013.
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