Home Index page Previous image Next image
Click to view the full size image:
1500 x 1000, 646 KB
M33 / Trianguluml Galaxy

Classification: Spiral Galaxy, M33, NGC598
Constellation: Triangulum (TRI)
Object Location: Ra 01h 34m 44s Dec +30° 44’04° (current)
Size & Distance: 67x42 Apx 3 Million light-years.

Date & Location: 09-19-2014 Palomar Mountain, CA
Exposure: LRGB L=12 @ 15m, RGB=4 ea, @ 15m ( bin 1x1) 6h Total
Optics: Telescope Engineering Company APO180FL @ f/7.36 using an Astro-Physics 160FF, F/L 1325mm.
Mount: Astro-Physics 1200 GTO / ATS 10x36 Pier
Camera: FLI-ML6303E @-20c / CFW2-7 / FLI-Atlas focuser / Guided by SBIG ST-I / w OAG. FOV= 48x72 arc-min.
Filters: Astrodon G2 LRGB
Software: MaxImDL 6.06, , CCDStack, Photoshop CS5,Topaz Lab.

Notes: Sky conditions: Average seeing, calm winds, mid 60’s
Image Field of view is 48 x 72 arcmin.
This image was an Astronomy Magazine Picture Of The Day. May, 2015
____________________________________________________

The Triangulum Galaxy is a spiral galaxy approximately 3 million light-years 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 with Messier 101. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the Milky Way, the Andromeda Galaxy and about 44 other smaller galaxies. It is one of the most distant permanent objects that can be viewed with the naked eye.
.
.