H-alpha Orion mosaic

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Mosaic of 18 frames, each one is a sum of 3 x 15 min sub-expositions. (but M42 region's frame is 8x15min). Total exposition time - 15 hours 25 min.

Canon 350D(a), ISO800
Nikkor ED 180/2.8 @ 2.8 + Astrodon 6nm H-alpha filter
EQ6PRO with autoguider

3 moonless suburban nights -
Nov 29, 2008, Nov 01 and 08, 2010

Click here for LARGE version
Click here for LARGE version WITHOUT STARS

elfinpoet, and 30 other people added this photo to their favorites.

  1. astrometry.net 31 months ago | reply

    Hello, this is the blind astrometry solver. Your results are:
    (RA, Dec) center:(83.7270274539, 0.92008817613) degrees
    (RA, Dec) center (H:M:S, D:M:S):(05:34:54.487, +0:55:12.317)
    Orientation:179.99 deg E of N

    Pixel scale:89.93 arcsec/pixel

    Parity:Reverse ("Left-handed")
    Field size :20.16 x 25.58 degrees

    Your field contains:
    The star Rigel (βOri)
    The star Betelgeuse (αOri)
    The star Bellatrix (γOri)
    The star Alnilam (εOri)
    The star Alnitak (ζOri)
    The star Saiph (κOri)
    The star Mintaka (δOri)
    The star Cursa (βEri)
    The star ιOri
    The star ηOri
    IC 2118 / Witch Head nebula
    NGC 1981
    NGC 1976 / Great Nebula in Orion / M 42
    NGC 1990
    IC 434 / Horsehead nebula
    NGC 2024

    View in World Wide Telescope

    -----
    If you would like to have other images solved, please submit them to the astrometry group.

  2. Valerio74 31 months ago | reply

    Excellent!!!

  3. gainesp2003 31 months ago | reply

    Very nice! Good detail and handling of the dynamic range!

  4. igorfp 31 months ago | reply


    Thanks!

    M42 center is a HDR composite, (using blue color chanel of ordinary 15min h-alpha frame, as non-satureted source)

  5. Trois_Merlettes 31 months ago | reply

    Wonderful view of Barnard's loop; congrats!

  6. SupercellBaebe 31 months ago | reply

    Wow! excellent image!

  7. Dangerous Dave Astrophotography 31 months ago | reply

    Fantastic shot. Great idea and delivery.

  8. Another Eye 31 months ago | reply

    IMPRESSIVE!!!!

    gratz!

  9. artemm 31 months ago | reply

    Море водорода!Обалдеть.
    Но вроде еще есть куда капать:)

  10. igorfp 31 months ago | reply


    Ага, оно всегда есть :). Только опыт показывает, что кардинальное увеличение количества деталей наступает при как минимум удвоении-утроении суммарного времени накопления. С погодой зимой у нас сам видишь как, так что для удвоения минимум пару зим надо этому посвятить. А ведь там столько всего вкусного и для 250К, не всё же на 180мм фокуса бобрить. :-\

  11. jsigone 31 months ago | reply

    WOW!!!!

  12. artemm 30 months ago | reply

    Пару зим или один выезд в горы:)
    Ну ничего,это уже возможно лучший водородный Орион в сети:))

  13. Erik N Larsen 30 months ago | reply

    Huge project and very well excecuted , amazing detail from this process and I love this use of the 180mm ED.

  14. JMelquist 30 months ago | reply

    whoa! astounding in FOV, Detail and "WOW" factor!

  15. nathanial burton-bradford 30 months ago | reply

    An amazing, and unfamiliar view, of a very familiar 'winter's guardian'

    Bravo!!!!

  16. JMelquist 29 months ago | reply

    Talk about WIDEFIELD!!! spectacular!

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