                        Astronomy Picture of the Day

    Discover the cosmos! Each day a different image or photograph of our
      fascinating universe is featured, along with a brief explanation
                    written by a professional astronomer.

                                2025 June 17
   A starfield is covered with a light red glow. Several nebulas are seen
    near the center. The famous Rosette nebula appears in blue and white
     near the image bottom. Please see the explanation for more detailed
                                information.

                          Rosette Nebula Deep Field
                      Image Credit: Toni Fabiani Méndez

   Explanation: Can you find the Rosette Nebula? The red flowery-looking
   nebula just above the image center may seem a good choice, but that's
   not it. The famous Rosette Nebula is really located on the lower right,
   here colored blue and white, and connected to the other nebulas by
   gold-colored filaments. Because the featured image of Rosette's field
   is so wide, and because of its deep red exposure, it seems to contain
   other flowers. Designated NGC 2237, the center of the Rosette Nebula is
   populated by the bright blue stars of open cluster NGC 2244, whose
   winds and energetic light are evacuating the nebula's center. The
   Rosette Nebula is about 5,000 light years distant and, just by itself,
   spans about three times the diameter of a full moon. This flowery field
   can be found toward the constellation of the Unicorn (Monoceros).

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