the art of astronomy
the art of astronomy
Astrophotographer: John O’Neill
Astrophotographer: John O’Neill
Rosette Nebula
The enormous Rosette Nebula is a
standout feature of the Monoceros
Constellation and is home to the open
cluster NGC 2244. O’Neill captured this
image with an Explore Scientific ED127FCD100 Air-Spaced Triplet and an SBIG
ST-10 XME camera through narrow band
filters of Ha, Oiii and Sii. Exposure times
were five 600 second subs through each
filter. Processing was done with CCD
Stack and enhanced with Photoshop.
Antennae Galaxies
Opposing streams of dust, gas and stars trail off from
this chaotic tangle between two spiral galaxies — NGC
4038 and NGC 4039 — in the Corvus Constellation. The
pairing is one of the nearest and youngest examples
of colliding galaxies, and their tumultuous crash will
eventually end in the formation of one large elliptical
galaxy. O’Neill took this mesmerizing image with an
Astro Tech 10” RC ast rograph. Exposure times were five
600 second subs of LRGB.
Jellyfish Nebula
Iris Nebula
IC 443, which is also known as the Jellyfish Nebula, is
a supernova remnant that has two very different halves
that exhibit different radii, structures and emissions. It
is also likely home to a spinning neutron star, or pulsar.
O’Neill captured this image with an Explore Scientific
ED127-FCD100 Air-Spaced Triplet and an SBIG ST-10
XME camera through narrow band filters of Ha, Oiii and
Sii. Exposure times were five 600 second subs through
each filter. Processing was done with CCD Stack and
enhanced with Photoshop.
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The Iris Nebula is a beautiful reflection
nebula blooming in the Cepheus
Constellation that is closely associated
with the open star cluster NGC 7023.
The nebula’s “petals” span about six light
years. The image was taken with an Astro
Tech 12” RC astrograph. Exposure times
were five 600 second subs of LRGB.
Sky’s
Up
Sky’s
Up
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