M78 for ESO Processing contest. WFI camera on 2.2m telescope

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M78 nebular complex in Orion

La Silla 2.2m MPG/ESO telescope, Cassegrain focus (F=8009mm).

5x3min Red, 3x3min Green (V), 3x3min Blue(B)

FWHM = 1.4"

Camera: WFI 8k x 8k mosaic CCD.

Image was calibrated, and Stacked from RAW data via IRAF software, composed/ white-balanced in Iris, and post-processed in PhotoShop.

Post processing was made in 50% scale (4228x4114) because image was quite oversampled (nothing to lose in 50% scale) and my PC is terrible weak for 67Mpix 16-bit image's multi-layered photoshoping :-)

This is a sample in ~12% resolution.
Large version is here (50% of original FITS, 12Mb)

(C) ESO/Igor Chekalin

nor certitude, and 171 other people added this photo to their favorites.

View 20 more comments

  1. dacanata 50 months ago | reply

    Excelente trabajo!!! Una foto realmente hermosa!!!

  2. NakedTrust [deleted] 50 months ago | reply

    pretty awesome work! *thumbsup*

  3. igorfp 50 months ago | reply

    Thanks for all for congratulations!!!

    Certainly I'll make photos during Chile trip, and publish here with detailed comments.

    But ESO gave me an option to choise date. So I decided to go on autumn-winter (in northern hemisphere) I need this season for my astrophotography plans ;-)
    It's not final decision, now I thinking about photosession plans, but deep RGB Orion mosaic (to finish this project), LMO, Eta Carinae - all best targets for mobile setup are winter time and now it's too late for current winter.

  4. ngc6744 50 months ago | reply

    Congratulations to the winner !
    "Bon voyage" to Paranal.
    Will be your first trip in southern hemisphere ? If yes, what a great experience to discover some new celestial objects !

  5. Oliver Hayden 50 months ago | reply

    Gorgeous! Amazing detail and contrast.

  6. Franco GDL 50 months ago | reply

    Great work
    congratulations and maybe will see you there

  7. lopusan 50 months ago | reply

    beautiful simply beautiful

  8. tzaranek 50 months ago | reply


  9. pfile 50 months ago | reply

    congrats on the APOD! outstanding processing.

  10. gainesp2003 50 months ago | reply

    Congrats on APOD!

  11. NakedTrust [deleted] 50 months ago | reply

    saw your picture on APOD today! congrats :D

  12. Roberto García 1974 50 months ago | reply

    congrats on APOD. A great picture. Quien tuviera ese equipo....?

  13. Ś3ềẻď 50 months ago | reply

    yes nice nice

  14. Hypnostar 47 months ago | reply


  15. Photography and Design by Thales Anibal Jardim 47 months ago | reply

    My friend... did you win a trip to Chile with your photos man?! At least an up and down to Mars would make justice to it!!! Dream Work

  16. ikietoy 47 months ago | reply

    I think this is the most stunning of any of the photographs published here. BRAVO!

  17. janvavrusa 43 months ago | reply

    Awesome image! Congratulations!

  18. igorfp 40 months ago | reply

    Thanks for all! It was great pleasure to work with such perfect RAW data from ESO.
    2.2-m MPG/ESO telescope at La Silla is exactly what I call "dream of crazy amateur astronomer". Because of it's "Lens speed" of 1:3.6, enormous widefield CCD which is cooled blow -104C and of course location under astronomically excellent sky.

    BTW. Online reports about my ESO's prize trip to Chile will be covered online in my facebook page: www.facebook.com/profile.php?id=100001700637639

  19. jleo3 34 months ago | reply


  20. sil737 26 months ago | reply

    fantastic shot!

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