Triangulum Galaxy



28 ноября


The Triangulum Galaxy is a spiral galaxy approximately 3 million light-years (ly) from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598, and is sometimes informally referred to as the Pinwheel Galaxy, a nickname it shares withMessier 101. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the Milky Way, theAndromeda Galaxy and about 44 other smaller galaxies. It is one of the most distant permanent objects that can be viewed with thenaked eye.

Imaging telescopes or lenses: Takahashi Epsilon 160
Imaging cameras: QHYCCD QHY22
Mounts: Losmandy G-11
Guiding telescopes or lenses: Skywatcher ST80 Guidescope
Guiding cameras: The Imaging Source DBK21AF04
Software: Gemini ASCOM, PixInsight, Stark Labs PHD GUIDING, Nebulosity 3
Filters: Omega Optical B, Omega Optical OIII, Omega Optical Ha
Resolution: 2628×1968
Dates: Oct. 22, 2014, Oct. 23, 2014, Oct. 24, 2014
Locations: VT Home
Omega Optical B: 21×300″ -30C bin 1×1
Omega Optical Ha: 27×300″ -30C bin 1×1
Omega Optical OIII: 21×300″ -30C bin 1×1
Integration: 5.8 hours
Darks: ~15
Flats: ~15
Bias: ~15
Avg. Moon age: 18.82 days
Avg. Moon phase: 1.52%
Bortle Dark-Sky Scale: 4.00
RA center: 23.460 degrees
DEC center: 30.669 degrees
Orientation: 110.131 degrees
Field radius: 0.798 degrees

Аutor: Valts Treibergs

Аstrofotografía del día de  SPONLI, 28.11.2014