APOD: M33: Triangulum Galaxy (2012 Dec 20)

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APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by APOD Robot » Thu Dec 20, 2012 5:12 am

Image M33: Triangulum Galaxy

Explanation: The small, northern constellation Triangulum harbors this magnificent face-on spiral galaxy, M33. Its popular names include the Pinwheel Galaxy or just the Triangulum Galaxy. M33 is over 50,000 light-years in diameter, third largest in the Local Group of galaxies after the Andromeda Galaxy (M31), and our own Milky Way. About 3 million light-years from the Milky Way, M33 is itself thought to be a satellite of the Andromeda Galaxy and astronomers in these two galaxies would likely have spectacular views of each other's grand spiral star systems. As for the view from planet Earth, this sharp composite image, a 25 panel mosaic, nicely shows off M33's blue star clusters and pinkish star forming regions that trace the galaxy's loosely wound spiral arms. In fact, the cavernous NGC 604 is the brightest star forming region, seen here at about the 1 o'clock position from the galaxy center. Like M31, M33's population of well-measured variable stars have helped make this nearby spiral a cosmic yardstick for establishing the distance scale of the Universe.

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Ann
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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by Ann » Thu Dec 20, 2012 5:43 am

That's a delightful galaxy picture, wonderfully resolved into differently-colored nebulae and stars! :D

Ann
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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by Boomer12k » Thu Dec 20, 2012 7:07 am

Like a big saw blade.

We are here because of the star formation process, and also the death of stars. We are not just made of "star stuff", we are made of the Energy of the Universe. We are Universarians. :shock:

My fellow Universarians, I greet you. Let us come together in Love and Peace. :D

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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by emc » Thu Dec 20, 2012 12:26 pm

It must take a lot of patience to be an astronomer. Measuring is a "lengthy" process!

BTW - I enjoyed the clever Mayan reference to tomorrow’s APOD.
Last edited by emc on Thu Dec 20, 2012 2:26 pm, edited 1 time in total.

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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by starsurfer » Thu Dec 20, 2012 1:15 pm

Incredibly stunning image, the detail in the various nebulae is staggering! The other interesting thing about this galaxy is its abundant population of Wolf Rayet stars! I wonder what the view of any WR nebulae would be from the inside of this galaxy? :D

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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by orin stepanek » Thu Dec 20, 2012 1:39 pm

emc wrote: BTW - I enjoyed the clever Mayan reference to tomorrow’s APOD.
tak saamal; meaning see you later! Ta ta! http://www.google.com/search?sourceid=n ... tak+saamal Probably in reference to the end of world scenario Ya suppose it's in reference to the calendar end! :mrgreen:
Orin

Smile today; tomorrow's another day!

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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by emc » Thu Dec 20, 2012 2:16 pm

orin stepanek wrote:
emc wrote: BTW - I enjoyed the clever Mayan reference to tomorrow’s APOD.
tak saamal; meaning see you later! Ta ta! http://www.google.com/search?sourceid=n ... tak+saamal Probably in reference to the end of world scenario Ya suppose it's in reference to the calendar end! :mrgreen:
I think it means "until tomorrow"... which I thought to be a funny way of referencing the end of the 13th baktun... which also ends the Mayan calendar... which, yes, has been feared by some to mean the end of the world. But if you're Mayan, it also marks the beginning of the 14th baktun... which needs a calendar to calm the fears of folks that fear such things.

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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by LocalColor » Thu Dec 20, 2012 8:02 pm

Wonderful APOD today.

Amateur attempt at M33 (by my smarter half.)

Image

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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by BDanielMayfield » Fri Dec 21, 2012 12:23 am

LocalColor wrote:Wonderful APOD today.

Amateur attempt at M33 (by my smarter half.)

Image
And a very successful attempt it was. What equipment did she or he use?

Bruce
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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by saturno2 » Fri Dec 21, 2012 1:21 am

Spiral Galaxy M33
Triangulum Galaxy
Diameter 50,000 light year
Distance from Galaxy Milky Way to M33, 3 million light years
This Galaxy is in the Local Group and it is an example for the study
of the others galaxies.

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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by LocalColor » Sat Dec 22, 2012 3:59 pm

BDanielMayfield wrote:
LocalColor wrote:Wonderful APOD today.

Amateur attempt at M33 (by my smarter half.)

Image
And a very successful attempt it was. What equipment did she or he use?

Bruce
Canon 7D - 300 mm lens.

donax42

Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by donax42 » Fri Oct 09, 2015 6:41 am

Either this beautiful picture M33-Subaru-Gendler, or the NGC604 at http://apod.nasa.gov/apod/ap121211.html is turned and mirrored. I detected it because I tried to locate and compare NGC604 with the zoom-in on apod121211.
Not that it matters in this context, but it could be easier to locate the NGC on the M33-picture if one knew that it was mirrored. :) 8-)

Best wishes from over here - I am thankful that this website has continued for now more than 18 years with more and more high quality images.

donax42

Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by donax42 » Fri Oct 09, 2015 6:44 am

Sorry I made an error:
I tried to locate and compare NGC604 with the zoom-in on apod121211 --> zoom-in on apod121220

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Re: APOD: M33: Triangulum Galaxy (2012 Dec 20)

Post by starsurfer » Fri Oct 09, 2015 1:43 pm

This image of M33 is as it would look in the sky. Maybe the HST image of NGC 604 is mirrored but images being rotated away from north up orientation is common.