Hemisphere:  Northern  ·  Constellation: Triangulum (Tri)  ·  Contains:  M 33  ·  NGC 598  ·  Triangulum galaxy
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Triangulum Galaxy - 11/7/2010, 


Triangulum Galaxy - 11/7/2010
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Triangulum Galaxy - 11/7/2010

Technical card

Imaging telescopes or lenses: Stellarvue SV105

Imaging cameras: QHYCCD QHY9M

Mounts: Takahashi EM-200 Temma2

Guiding telescopes or lenses: Orion ST 80

Software: PHD guiding  ·  Sequence Generator Pro  ·  PixInsight  ·  Nebulosity

Filters: Astronomik B Type IIc  ·  Astronomik G Type IIc  ·  Astronomik R Type IIc  ·  Ha

Dates:Nov. 6, 2010

Astronomik B Type IIc: 12x600" -15C bin 1x1
Astronomik G Type IIc: 12x600" -15C bin 1x1
Ha: 6x1200" -15C bin 1x1
Astronomik R Type IIc: 12x600" -15C bin 1x1

Integration: 8.0 hours

Avg. Moon age: 0.32 days

Avg. Moon phase: 0.11%

Basic astrometry details

Astrometry.net job: 105000

RA center: 1h 33' 49"

DEC center: +30° 40' 40"

Pixel scale: 2.724 arcsec/pixel

Orientation: 89.981 degrees

Field radius: 0.857 degrees

Resolution: 620x388


This is a picture of the Triangulum Galaxy (Messier Object 33). This galaxy is about 3 million light years away. The light you are looking at left this galaxy about 500,000 years prior to the existence of the first known mammal. It belongs to a group of galaxies called the "Local Group" (because the Milky Way is also in it). This group consists of about 30 galaxies and this galaxy is the third largest (just behind Andromeda and the Milky Way). The Triangulum Galaxy contains about 35 billion stars (our own Milky way contains 300 billion starts and Andromeda contains 1000 billion stars). Andromeda is so massive that this galaxy may be gravitationally bound to it (it may actually orbit Andromeda). Triangulum is about 50,000 light years across (meaning it takes light 50,000 years to travel from one end of the galaxy to the other).


Sky plot

Sky plot


Triangulum Galaxy - 11/7/2010,