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ASTRO: Object in Leo (IR)



 
 
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  #1  
Old August 13th 08, 11:50 AM posted to sci.astro.amateur
NoNoMoS41
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Posts: 9
Default ASTRO: Object in Leo (IR)

I found an object in Leo with MS WWT at 9h 47m 59sec/ +13h 16m 27sec. It
shows up in IRIS 12 microns (IR) and a few others and looks very hot. Is
this a mistake? Can anyone confirm what this object is and how far away it
is? It looks like it might just be our Sun and Venus or Mercury.

--
Best regards,


  #2  
Old August 13th 08, 03:35 PM posted to sci.astro.amateur
Andrew Smallshaw
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Posts: 206
Default ASTRO: Object in Leo (IR)

On 2008-08-13, NoNoMoS41 wrote:
I found an object in Leo with MS WWT at 9h 47m 59sec/ +13h 16m 27sec. It
shows up in IRIS 12 microns (IR) and a few others and looks very hot. Is
this a mistake? Can anyone confirm what this object is and how far away it
is? It looks like it might just be our Sun and Venus or Mercury.


Those coordinates are very near the ecliptic, and the simple star
chart I found online (at work at the minute) doesn't show anything
of interest there. I'd suggest that it is indeed the sun.

--
Andrew Smallshaw

  #3  
Old August 13th 08, 04:45 PM posted to sci.astro.amateur
LarryG[_2_]
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Posts: 61
Default ASTRO: Object in Leo (IR)

On Aug 13, 9:35*am, Andrew Smallshaw wrote:
On 2008-08-13, NoNoMoS41 wrote:

I found an object in Leo with MS WWT at 9h 47m 59sec/ +13h 16m 27sec. It
shows up in IRIS 12 microns (IR) and a few others and looks very hot. Is
this a mistake? Can anyone confirm what this object is and how far away it
is? It looks like it might just be our Sun and Venus or Mercury.


Those coordinates are very near the ecliptic, and the simple star
chart I found online (at work at the minute) doesn't show anything
of interest there. *I'd suggest that it is indeed the sun.

--
Andrew Smallshaw


I'm using an old copy of Planetarium 2.0. It shows the sun still a
few degrees west of the point in question. And Venus and Mercury are
further to the East. It *may* be an internal reflection of the
telescope, a lens flare, or similar.

If you can get an image from a different time, you can see if it
disappears, or moves, giving a better hint of its true nature.

Cheers,
Larry G.
  #4  
Old August 13th 08, 04:50 PM posted to sci.astro.amateur
Andrew Smallshaw
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Posts: 206
Default ASTRO: Object in Leo (IR)

On 2008-08-13, LarryG wrote:

Those coordinates are very near the ecliptic, and the simple star
chart I found online (at work at the minute) doesn't show anything
of interest there. *I'd suggest that it is indeed the sun.


I'm using an old copy of Planetarium 2.0. It shows the sun still a
few degrees west of the point in question. And Venus and Mercury are
further to the East. It *may* be an internal reflection of the
telescope, a lens flare, or similar.


Well I've never played with WWT. Is it a real time simulation?
From the sounds of the OP he was looking at an image taken on an
unknown date. Who knows where the Sun was when the image was taken?

--
Andrew Smallshaw

  #5  
Old August 14th 08, 05:17 AM posted to sci.astro.amateur
*skyguy*
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Posts: 4
Default ASTRO: Object in Leo (IR)

The object in question is designated as IRAS 09452+1330 ... CGCS
2619 ..... PK 221+45 1 and about a half dozen more! It's a possible
Asymptotic Giant Branch Star also nicknamed "The Peanut Nebula" ...
not to be confused with other objects also called "The Peanut Nebula"
such as M76 and NGC 2371. It's listed as a planetary nebula, thus the
PK designation. However, not all the PK objects turn out to be
planetaries. If you check out the Sloan Digital Sky Survey images,
this object is all but invisible in the "U" and "G" filtered images,
barely visible in the "R" image and very bright in the "I" and "Z"
images.

Jim

On Aug 13, 6:50*am, "NoNoMoS41" wrote:
I found an object in Leo with MS WWT at 9h 47m 59sec/ +13h 16m 27sec. It
shows up in IRIS 12 microns (IR) and a few others and looks very hot. Is
this a mistake? Can anyone confirm what this object is and how far away it
is? It looks like it might just be our Sun and Venus or Mercury.

--
Best regards,


  #6  
Old August 14th 08, 10:47 AM posted to sci.astro.amateur
NoNoMoS41
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Posts: 9
Default ASTRO: Object in Leo (IR)

Thank you for the info Jim. It was spot on.

Stu.

"*skyguy*" wrote in message
...
The object in question is designated as IRAS 09452+1330 ... CGCS
2619 ..... PK 221+45 1 and about a half dozen more! It's a possible
Asymptotic Giant Branch Star also nicknamed "The Peanut Nebula" ...
not to be confused with other objects also called "The Peanut Nebula"
such as M76 and NGC 2371. It's listed as a planetary nebula, thus the
PK designation. However, not all the PK objects turn out to be
planetaries. If you check out the Sloan Digital Sky Survey images,
this object is all but invisible in the "U" and "G" filtered images,
barely visible in the "R" image and very bright in the "I" and "Z"
images.

Jim

On Aug 13, 6:50 am, "NoNoMoS41" wrote:
I found an object in Leo with MS WWT at 9h 47m 59sec/ +13h 16m 27sec. It
shows up in IRIS 12 microns (IR) and a few others and looks very hot. Is
this a mistake? Can anyone confirm what this object is and how far away it
is? It looks like it might just be our Sun and Venus or Mercury.

--
Best regards,



 




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