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ASTRO: LDN 778, LDN 782, reflection nebula GN 19.24.6 and a "few"stars



 
 
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  #1  
Old January 20th 14, 06:46 AM posted to alt.binaries.pictures.astro
Rick Johnson[_2_]
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Posts: 3,085
Default ASTRO: LDN 778, LDN 782, reflection nebula GN 19.24.6 and a "few"stars

Continuing with imaging objects that inhabit the denser parts of the
Milky Way, here's another star filled image. Unfortunately file size
explodes when there are a ton of stars. Thus I have both a full
resolution image at 1" per pixel and another one at 67% that size at
1.5" per pixel for those on slower connections. Actually with stars the
smaller file is all you need unless printing out the image.

LDN 778 is part of a dark nebula complex in Vulpecula about 3.7 degrees
north of the "Coathanger". It is the dark diagonal streak that doesn't
quite fit my field of view. I suppose it would if I'd have rotated the
camera from my normal north up position. The dark nebula in the upper
left corner is LDN 782. Toward the upper end of LDN 778 is the
reflection nebula, GN 19.24.6 which appears lit by the variable star PX
Vulpecula. It's an Orion type variable. These are irregular eruptive
variable stars often found with reflection nebula such as seen here.
They are thought to be very young or proto-stars not quite ready to
settle down to main sequence status. The term encompasses several types
of eruptive stars including T Tauri and FU Orionis stars. PX Vulpecula
is a T Tauri class star.

14" LX200R @ f/10, L=4x10' RGB=2x10', STL-11000XM, Paramount ME

Rick
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Prefix is correct. Domain is arvig dot net

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Name:	LDN778L4X10RGB2X10.JPG
Views:	300
Size:	1.00 MB
ID:	4955  Click image for larger version

Name:	LDN778L4X10RGB2X10-67.JPG
Views:	195
Size:	550.8 KB
ID:	4956  
  #2  
Old January 21st 14, 10:34 PM posted to alt.binaries.pictures.astro
Stefan Lilge
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Posts: 2,269
Default ASTRO: LDN 778, LDN 782, reflection nebula GN 19.24.6 and a "few" stars

Very nice picture Rick. The dark and reflection nebulae make a nice pair.

Stefan

"Rick Johnson" schrieb im Newsbeitrag
...

Continuing with imaging objects that inhabit the denser parts of the
Milky Way, here's another star filled image. Unfortunately file size
explodes when there are a ton of stars. Thus I have both a full
resolution image at 1" per pixel and another one at 67% that size at
1.5" per pixel for those on slower connections. Actually with stars the
smaller file is all you need unless printing out the image.

LDN 778 is part of a dark nebula complex in Vulpecula about 3.7 degrees
north of the "Coathanger". It is the dark diagonal streak that doesn't
quite fit my field of view. I suppose it would if I'd have rotated the
camera from my normal north up position. The dark nebula in the upper
left corner is LDN 782. Toward the upper end of LDN 778 is the
reflection nebula, GN 19.24.6 which appears lit by the variable star PX
Vulpecula. It's an Orion type variable. These are irregular eruptive
variable stars often found with reflection nebula such as seen here.
They are thought to be very young or proto-stars not quite ready to
settle down to main sequence status. The term encompasses several types
of eruptive stars including T Tauri and FU Orionis stars. PX Vulpecula
is a T Tauri class star.

14" LX200R @ f/10, L=4x10' RGB=2x10', STL-11000XM, Paramount ME

Rick
--
Prefix is correct. Domain is arvig dot net

  #3  
Old January 22nd 14, 07:11 AM posted to alt.binaries.pictures.astro
Rick Johnson[_2_]
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Posts: 3,085
Default ASTRO: LDN 778, LDN 782, reflection nebula GN 19.24.6 and a "few"stars

That pairing is why it made my to-do list. My field is a bit small for
dark nebulae but when there's a bright nebula involved it goes on my
list anyway. Next up is another such pairing though I found no ID for
the dark nebula which may just be the same nebula without a star to
light it up.

Rick

On 1/21/2014 4:34 PM, Stefan Lilge wrote:
Very nice picture Rick. The dark and reflection nebulae make a nice pair.

Stefan

"Rick Johnson" schrieb im Newsbeitrag
...

Continuing with imaging objects that inhabit the denser parts of the
Milky Way, here's another star filled image. Unfortunately file size
explodes when there are a ton of stars. Thus I have both a full
resolution image at 1" per pixel and another one at 67% that size at
1.5" per pixel for those on slower connections. Actually with stars the
smaller file is all you need unless printing out the image.

LDN 778 is part of a dark nebula complex in Vulpecula about 3.7 degrees
north of the "Coathanger". It is the dark diagonal streak that doesn't
quite fit my field of view. I suppose it would if I'd have rotated the
camera from my normal north up position. The dark nebula in the upper
left corner is LDN 782. Toward the upper end of LDN 778 is the
reflection nebula, GN 19.24.6 which appears lit by the variable star PX
Vulpecula. It's an Orion type variable. These are irregular eruptive
variable stars often found with reflection nebula such as seen here.
They are thought to be very young or proto-stars not quite ready to
settle down to main sequence status. The term encompasses several types
of eruptive stars including T Tauri and FU Orionis stars. PX Vulpecula
is a T Tauri class star.

14" LX200R @ f/10, L=4x10' RGB=2x10', STL-11000XM, Paramount ME

Rick



--
Prefix is correct. Domain is arvig dot net
 




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