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ASTRO: M90



 
 
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  #11  
Old May 29th 07, 03:02 PM posted to alt.binaries.pictures.astro
Rick Johnson[_2_]
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Posts: 3,085
Default ASTRO: M90



Preston S Justis wrote:
"Rick Johnson" wrote in message
...

Another Virgo Cluster Galaxy and one that is blue shifted. Its headed
our way probably at a velocity that will allow it to escape the cluster.
The blue dwarf galaxy above it is IC 3583 and has a normal red shift
for the cluster so is not tagging along for the ride. Notes at NED
contradict each other. Some say the two are interacting, some say they
are not and one says; "Non interacting pair with dwarf IC 3583 at 6.0
arcmin north. Possibly interacting." Now that's covering your
backside! In any case IC 3583 is very blue and is classed as a
Magellanic type dwarf. It has a nice dust lane and shows a lot of
detail. The brightest part seems left of center as there's a large
faint blue fuzz glow right of the bright part of the galaxy.



Incredible image Rick! Look at all of the faint fuzzies in the surrounding
field!

Scott


I've got really dark skies here when the sky glow isn't up and running.
Come summer it can really be a problem then again in late fall it gets
bright, often with aurora to make matters worse. So usually there are a
few dozen Unidentified Faint Objects (UFOs) in the background of most of
my shots. I even had one in a shot of a small piece of the Veil! That
really surprised me. Though in this shot half the stars are fuzzy.
Seeing wasn't the best, rarely is, but think most of those too are tiny
galaxies.

Galaxy season is over. I lost this month to clouds, with little rain
unfortunately. I have a few on the hard drive that I didn't like the
looks of when taking them but that's all I have left to process. A
couple are coming out better than I expected. One of those is M98 which
I'm posting now. Stay tuned for a few others. Today I have to tend to
some downed trees from the last rainless storm before the next one hits.

Rick

--
Correct domain name is arvig and it is net not com. Prefix is correct.
Third character is a zero rather than a capital "Oh".

  #12  
Old May 30th 07, 08:01 PM posted to alt.binaries.pictures.astro
Stefan Lilge
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Posts: 2,269
Default ASTRO: M90

Beautiful image Rick.

Stefan

"Rick Johnson" schrieb im Newsbeitrag
...
Another Virgo Cluster Galaxy and one that is blue shifted. Its headed
our way probably at a velocity that will allow it to escape the cluster.
The blue dwarf galaxy above it is IC 3583 and has a normal red shift
for the cluster so is not tagging along for the ride. Notes at NED
contradict each other. Some say the two are interacting, some say they
are not and one says; "Non interacting pair with dwarf IC 3583 at 6.0
arcmin north. Possibly interacting." Now that's covering your
backside! In any case IC 3583 is very blue and is classed as a
Magellanic type dwarf. It has a nice dust lane and shows a lot of
detail. The brightest part seems left of center as there's a large
faint blue fuzz glow right of the bright part of the galaxy.

The asteroid down and to the right is (38582) 1999 XE37 at magnitude 17.6.

M90 reminds me a lot of M64, the Black Eye Galaxy. It has a similar set
of dust and star clouds in relation to the nucleus and the rest of the
arms are not well defined at all. The star clouds in the dust lane show
lots of reddening, same as in M64 as well. Just the dust isn't quite as
thick and extends further around the galaxy.

14" LX200R @ F/10, L=9x5' binned 2x2, RGB=3x5' binned 3x3, STL-11000XM,
Paramount ME

Rick

--
Correct domain name is arvig and it is net not com. Prefix is correct.
Third character is a zero rather than a capital "Oh".


  #13  
Old May 30th 07, 08:16 PM posted to alt.binaries.pictures.astro
Rick Johnson[_2_]
external usenet poster
 
Posts: 3,085
Default ASTRO: M90

Thanks. M90 is has interesting detail on a scale I can resolve with my
normal 3.5" seeing. Others have detail that's below my seeing level
unless I get a good night. Going on my third week of clouds and little
rain with no imaging, I'm down to processing those that didn't resolve
well. Though one or two may surprise me.

Rick


Stefan Lilge wrote:
Beautiful image Rick.

Stefan

"Rick Johnson" schrieb im Newsbeitrag
...

Another Virgo Cluster Galaxy and one that is blue shifted. Its headed
our way probably at a velocity that will allow it to escape the cluster.
The blue dwarf galaxy above it is IC 3583 and has a normal red shift
for the cluster so is not tagging along for the ride. Notes at NED
contradict each other. Some say the two are interacting, some say they
are not and one says; "Non interacting pair with dwarf IC 3583 at 6.0
arcmin north. Possibly interacting." Now that's covering your
backside! In any case IC 3583 is very blue and is classed as a
Magellanic type dwarf. It has a nice dust lane and shows a lot of
detail. The brightest part seems left of center as there's a large
faint blue fuzz glow right of the bright part of the galaxy.

The asteroid down and to the right is (38582) 1999 XE37 at magnitude
17.6.

M90 reminds me a lot of M64, the Black Eye Galaxy. It has a similar set
of dust and star clouds in relation to the nucleus and the rest of the
arms are not well defined at all. The star clouds in the dust lane show
lots of reddening, same as in M64 as well. Just the dust isn't quite as
thick and extends further around the galaxy.

14" LX200R @ F/10, L=9x5' binned 2x2, RGB=3x5' binned 3x3, STL-11000XM,
Paramount ME

Rick

--
Correct domain name is arvig and it is net not com. Prefix is correct.
Third character is a zero rather than a capital "Oh".



 




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