Omega Nebula in Sagittarius ( Messier 17 , NGC 6618 ) – by Mike O’Day ( 500px.com/MikeODay ) by MikeODay

Omega Nebula in Sagittarius ( Messier 17, NGC 6618 ).
by Mike O’Day ( 500px.com/MikeODay )

Visible to the naked eye the Omega Nebula (also known as the Swan, Horseshoe or Lobster Nebula) M17 is in the Milkyway and is aound 4200 light years distance from Earth

Links:

500px.com/MikeODay
http://ift.tt/1EqMoWd

Details:

RA 18h 22m, Dec -16deg 10′.
Skywatcher Quattro 10″ f4 Newtonian.
Skywatcher AZ Eq6 GT Mount
Orion Short Tube 80mm guide scope & auto guider – PHD2.
Baader MPCC Mark 3 Coma Corrector, UHC-S ‘Nebula’ filter.
Nikon D5300 (unmodified).
Field of view (deg) ~ 1.35 x 0.90.
37 x 100 sec ISO800.
Pixinsight & Photoshop
14 August 2015

via 500px http://ift.tt/1M8Uj7T

Ptolemy’s Cluster in Scorpio ( Messier 7, NGC 6475 ) – by Mike O’Day ( http://ift.tt/1Is21aB ) by MikeODay

Ptolemy’s Cluster in Scorpio ( Messier 7, NGC 6475 ).

Visible to the naked eye as a small bright patch in the sky, this open cluster is around 980 light years away with around 80 stars within a area of 25 light years or so.

Links:

500px.com/MikeODay
http://ift.tt/1EqMoWd

Details:

RA 17h 54m, Dec -34deg 47′.
Skywatcher Quattro 10″ f4 Newtonian.
Skywatcher AZ Eq6 GT Mount
Orion auto guider – PHD2.
Baader MPCC Mark 3 Coma Corrector.
Nikon D300 (unmodified).
Field of view (deg) ~ 1.35 x 0.90.
18 x 30 sec ISO800.
23 May 14

Reprocessed Pixinsight 8 Sep 2015

via 500px http://ift.tt/1Ke4c2R

Bright Nebula in Ara ( NGC 6188 ) – by Mike O’Day ( http://ift.tt/1Is21aB ) by MikeODay

Bright Nebula NGC 6188 and open cluster NGC 6193 in Ara
by Mike O’Day

Magnitude +5.19, RA 16h 41m 42s, Dec -48deg 48′ 46″
Approx. 3800 light years away

Skywatcher Quattro 10″ f4 Newtonian.
Skywatcher AZ Eq6 GT Mount (on concrete pier)
Orion 80mm f5 guide scope and auto guider – PHD2.
Baader MPCC Mark 3 Coma Corrector, UHC-S ‘nebula’ filter.
Nikon D5300 (unmodified).
Field of view (deg) ~ 1.35 x 0.90.
UHC-S – 32 x 180 sec ISO800 (14bit NEF, Long Exp. NR on).
Pixinsight and photoshop
7 July 15 (processed 29 August 15)

source:
http://ift.tt/1EqMoWd
500px.com/mikeoday

via 500px http://ift.tt/1LBlRVu