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ASTRO: NGC 4435 and 4438 The Eyes



 
 
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  #1  
Old April 28th 07, 08:28 PM posted to alt.binaries.pictures.astro
Rick Johnson[_2_]
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Posts: 3,085
Default ASTRO: NGC 4435 and 4438 The Eyes

Still working on disturbed galaxies. Unfortunately, seeing was very
disturbed that night, 4" so this is a pretty lousy image. It will have
to do for this year. First try was lost due to my frost problem, though
seeing was somewhat better it wasn't great and those images were so
frost covered they can't be salvaged, by me anyway. NGC 4438 is the
really disturbed one. NGC 4435 is above it.

Other galaxies in the field are PGC 40958 low, left of center amid a
triangle of blue stars. IC 3393 in the lower left corner. Hardest to
find is PGC 40981 that forms a tight pair with a dim white star on its
right. It is above and right of a pair of blue white stars. Above it
and to the left a bit along the top edge is PGC 4107. The fuzzy object
midway up the left edge is a star not a galaxy. PGC 40913 is the large
fuzzy blob straight below the nucleus of NGC 4438 but still seen through
the cloud of tidally ripped stars. The blue galaxy near the upper edge
on the right is IC 3355. There are lots of other faint fuzzies in the
image I didn't look up.

14" LX200R @ f/10, L=8x10' RGB=2x10' all binned 2x2, 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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  #2  
Old April 28th 07, 09:23 PM posted to alt.binaries.pictures.astro
Stefan Lilge
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Posts: 2,269
Default ASTRO: NGC 4435 and 4438 The Eyes

Rick,

actually before I saw your quote on the seeing I was willing to write that
this is one of the best "eyes" I have seen so far :-)
It certainly is a very beautiful image. You really got the hang of colour
imaging recently.

Stefan

"Rick Johnson" schrieb im Newsbeitrag
...
Still working on disturbed galaxies. Unfortunately, seeing was very
disturbed that night, 4" so this is a pretty lousy image. It will have
to do for this year. First try was lost due to my frost problem, though
seeing was somewhat better it wasn't great and those images were so
frost covered they can't be salvaged, by me anyway. NGC 4438 is the
really disturbed one. NGC 4435 is above it.

Other galaxies in the field are PGC 40958 low, left of center amid a
triangle of blue stars. IC 3393 in the lower left corner. Hardest to
find is PGC 40981 that forms a tight pair with a dim white star on its
right. It is above and right of a pair of blue white stars. Above it
and to the left a bit along the top edge is PGC 4107. The fuzzy object
midway up the left edge is a star not a galaxy. PGC 40913 is the large
fuzzy blob straight below the nucleus of NGC 4438 but still seen through
the cloud of tidally ripped stars. The blue galaxy near the upper edge
on the right is IC 3355. There are lots of other faint fuzzies in the
image I didn't look up.

14" LX200R @ f/10, L=8x10' RGB=2x10' all binned 2x2, 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".


  #3  
Old April 28th 07, 11:37 PM posted to alt.binaries.pictures.astro
Rick Johnson[_2_]
external usenet poster
 
Posts: 3,085
Default ASTRO: NGC 4435 and 4438 The Eyes

Everything I read said this set up would work best at 5 minute sub
frames but I've found that since moving to 10 minute subs I'm getting
far better color. Seems to need the 10 minute subs on the luminosity
frames as well. When I tried just 10 minutes on the color frames it
didn't work much better than with 5 minute color frames. Nor if the
luminosity was 10 but the color 5. That was better but still not what
I'm getting with both at 10 minutes. Problem is I have such a wide fov
that I catch a satellite in at least one of the frames, usually three or
4 of them. Same with the 5 minute ones but I'd just retake the frame
without much loss to my time line for the night. But redoing half the
10 minute frames only to find yet more satellites is playing havoc with
my planning. With a GEM I have to plan around the meridian. These
satellites are driving me nuts. My ability to clone them out is pretty
rotten though I have succeeded a few times when the star field was star
poor.

Rick


Stefan Lilge wrote:

Rick,

actually before I saw your quote on the seeing I was willing to write
that this is one of the best "eyes" I have seen so far :-)
It certainly is a very beautiful image. You really got the hang of
colour imaging recently.

Stefan

"Rick Johnson" schrieb im Newsbeitrag
...

Still working on disturbed galaxies. Unfortunately, seeing was very
disturbed that night, 4" so this is a pretty lousy image. It will have
to do for this year. First try was lost due to my frost problem, though
seeing was somewhat better it wasn't great and those images were so
frost covered they can't be salvaged, by me anyway. NGC 4438 is the
really disturbed one. NGC 4435 is above it.

Other galaxies in the field are PGC 40958 low, left of center amid a
triangle of blue stars. IC 3393 in the lower left corner. Hardest to
find is PGC 40981 that forms a tight pair with a dim white star on its
right. It is above and right of a pair of blue white stars. Above it
and to the left a bit along the top edge is PGC 4107. The fuzzy object
midway up the left edge is a star not a galaxy. PGC 40913 is the large
fuzzy blob straight below the nucleus of NGC 4438 but still seen through
the cloud of tidally ripped stars. The blue galaxy near the upper edge
on the right is IC 3355. There are lots of other faint fuzzies in the
image I didn't look up.

14" LX200R @ f/10, L=8x10' RGB=2x10' all binned 2x2, 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".


  #4  
Old April 29th 07, 07:25 PM posted to alt.binaries.pictures.astro
Richard Crisp[_1_]
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Posts: 985
Default ASTRO: NGC 4435 and 4438 The Eyes

that came out really well Rick


"Rick Johnson" wrote in message
...
Still working on disturbed galaxies. Unfortunately, seeing was very
disturbed that night, 4" so this is a pretty lousy image. It will have
to do for this year. First try was lost due to my frost problem, though
seeing was somewhat better it wasn't great and those images were so
frost covered they can't be salvaged, by me anyway. NGC 4438 is the
really disturbed one. NGC 4435 is above it.

Other galaxies in the field are PGC 40958 low, left of center amid a
triangle of blue stars. IC 3393 in the lower left corner. Hardest to
find is PGC 40981 that forms a tight pair with a dim white star on its
right. It is above and right of a pair of blue white stars. Above it
and to the left a bit along the top edge is PGC 4107. The fuzzy object
midway up the left edge is a star not a galaxy. PGC 40913 is the large
fuzzy blob straight below the nucleus of NGC 4438 but still seen through
the cloud of tidally ripped stars. The blue galaxy near the upper edge
on the right is IC 3355. There are lots of other faint fuzzies in the
image I didn't look up.

14" LX200R @ f/10, L=8x10' RGB=2x10' all binned 2x2, 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".



  #5  
Old May 2nd 07, 03:03 AM posted to alt.binaries.pictures.astro
George Normandin[_1_]
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Posts: 1,022
Default ASTRO: NGC 4435 and 4438 The Eyes


"Rick Johnson" wrote
...
Still working on disturbed galaxies........


Another great image Rick!

George N


 




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