APOD: Portrait of NGC 3628 (2022 Apr 29)

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Expand view Topic review: APOD: Portrait of NGC 3628 (2022 Apr 29)

Re: APOD: Portrait of NGC 3628 (2022 Apr 29)

by johnnydeep » Fri Apr 29, 2022 9:02 pm

Yeah, pretty darn difficult to discern either the small satellite galaxy below or the extensive tidal tail above. But luckily, the link-to video shows both MUCH more clearly (though it's all about the Quasars and not the Hamburger Galaxy per say):

Click to play embedded YouTube video.

Re: APOD: Portrait of NGC 3628 (2022 Apr 29)

by orin stepanek » Fri Apr 29, 2022 12:44 pm

NGC3628-crop1024.jpg
For me the satellite galaxy wasn't seen; but you could se the stream
of stars in the video! :shock:
leotriplet_vst_900.jpg
Nice view of the triplet! 8-)

Re: APOD: Portrait of NGC 3628 (2022 Apr 29)

by Ann » Fri Apr 29, 2022 9:32 am

AVAO wrote: Fri Apr 29, 2022 6:56 am Very nice shot by Wilhelm Michael Kasakow and Olaf Guillaume.

I also really like the APOD from 2011 March 16, because you can still see the star-forming regions there in pink and red.

Image
https://apod.nasa.gov/apod/image/1103/N ... awford.jpg
Image Credit & Copyright: Ken Crawford (Rancho Del Sol Obs.)

But what I don't understand is the statement
APOD Robot wrote: Fri Apr 29, 2022 4:08 am It also reveals a small galaxy nearby (below), likely a satellite of NGC 3628, ...[/url].
Where can this galaxy be seen?
https://www.eso.org/public/usa/images/potw1026a/?lang
Here?

NGC 3628 with satellite galaxy Kasakow.png

Ann

Re: APOD: Portrait of NGC 3628 (2022 Apr 29)

by AVAO » Fri Apr 29, 2022 6:56 am

Very nice shot by Wilhelm Michael Kasakow and Olaf Guillaume.

I also really like the APOD from 2011 March 16, because you can still see the star-forming regions there in pink and red.

Image
https://apod.nasa.gov/apod/image/1103/N ... awford.jpg
Image Credit & Copyright: Ken Crawford (Rancho Del Sol Obs.)

But what I don't understand is the statement
APOD Robot wrote: Fri Apr 29, 2022 4:08 am It also reveals a small galaxy nearby (below), likely a satellite of NGC 3628, ...[/url].
Where can this galaxy be seen?
https://www.eso.org/public/usa/images/potw1026a/?lang

Re: APOD: Portrait of NGC 3628 (2022 Apr 29)

by Ann » Fri Apr 29, 2022 4:23 am

Hamburger galaxy NGC 3628 APOD 29 April 2022 Wilhelm Michael Kasakow.png

Hamburger in the sky! 🍔 Or maybe it's really a hot dog? 🌭

Ann

APOD: Portrait of NGC 3628 (2022 Apr 29)

by APOD Robot » Fri Apr 29, 2022 4:08 am

Image Portrait of NGC 3628

Explanation: Sharp telescopic views of NGC 3628 show a puffy galactic disk divided by dark dust lanes. Of course, this portrait of the magnificent, edge-on spiral galaxy puts some astronomers in mind of its popular moniker, the Hamburger Galaxy. It also reveals a small galaxy nearby (below), likely a satellite of NGC 3628, and a very faint but extensive tidal tail. The drawn out tail stretches for about 300,000 light-years, even beyond the upper left edge of the frame. NGC 3628 shares its neighborhood in the local universe with two other large spirals M65 and M66 in a grouping otherwise known as the Leo Triplet. Gravitational interactions with its cosmic neighbors are likely responsible for creating the tidal tail, as well as the extended flare and warp of this spiral's disk. The tantalizing island universe itself is about 100,000 light-years across and 35 million light-years away in the northern springtime constellation Leo.

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