Talk:Horsehead Nebula

message: In Orion (constellation), it states that Alnitak is the "bottom" or what I would call the "westernmost" star in the Belt. I assume that this is correct, and that the "easternmost" is an error? Can someone check my Northern Hemishpere logic? Deadstar 12:13, 15 Feb 2005 (UTC)
thread_title: Alnitak

message: This article has been referred to (indirectly) in a comic strip.  Here's the information as I posted it on Wikipedia:Press coverage:
*Jen Sorensen, Slowpoke (comic strip), December 2005 .
*:Woman to man, in an imaginary movie: "Darling, when I saw your Wikipedia entry on the Horsehead Nebula, I knew I had to have you."
JamesMLane 03:50, 13 December 2005 (UTC)
thread_title: Reference to this article in a comic strip

message: I may just be dense, but the image doesn't look anything like a horse's head to me.  Or... is the horse's head just the tiny piece sticking up into the bright spot near the top?  In which case, might it be useful to point that part out, or provide a close-up image of it? -- Super Aardvark 08:40, 7 June 2007 (UTC)
thread_title:  It looks like a horse's what? 

message: I came to this page with exactly the same thought as Mr Aardvark.  Here's a much better NASA one  which makes it clear why it's called the Horsehead Nebula.  Any chance this could be used instead? I don't know how to upload but I guess as it's a NASA picture same as the Hubble one it would be ok with the licensing to use it. 86.153.216.204 16:57, 26 June 2007 (UTC)
replies: text: It's just a small part of the neck. This is the whole picture:The horsehead is in the upper left quarter. Horsehead alone:--90.179.235.249 (talk) 00:41, 12 May 2010 (UTC)
thread_title: Bad picture

message: How large is the nebula? I'm thinking in terms of volume, or area; it must be several light years. -Ashley Pomeroy (talk) 18:20, 4 September 2008 (UTC)
replies: text: Personally I have seen no figures which estimate the nebula's size, but in terms of area it would certainly be several light years. I'll look into details about the subject later (as I'm busy now) and post any data I find here.--Metalhead94 (talk) 23:03, 23 September 2008 (UTC)
thread_title: Size

message: The main article claims that the emission nebula NGC434, directly behind the Horsehead nebula B33 from our point of view, is energised by the star Sigma Orionis (not visible in this image, but directly "above" the horse's head in this orientation and just out of the frame).  
Now, this does not make sense to me from other related data.  Sigma Orionis is given as being around 1150 light years away; whereas B33 is given as being around 1500-1600 light years away (depending who you read).  This would put Sigma Orionis closer to us, *in front* of the horse's head, which would be illuminated from our point of view; whereas we see B33 in silhouette.  So, I can only see three ways of resolving this:
Either, the distance to B33 is incorrectly reported; 
Or, the distance to Sigma Orionis is incorrectly reported;
Or, it is not Sigma Orionis which energises NGC434.
I'm inclined to think the light year measurements are reasonable estimates, and that the supposed illumination by Sigma Orionis is a fiction.  What do others think?
AJHSimons (talk) 23:09, 6 January 2011 (UTC)
thread_title:  Energising of NGC434 by which star? 

message: ...is the 'horse' looking? Photos show both left and right. 68.148.93.15 (talk) 23:05, 30 April 2013 (UTC)
thread_title: Which Way?

message: Hello! This is a note to let the editors of this article know that :File:Barnard 33.jpg will be appearing as picture of the day on May 10, 2014. You can view and edit the POTD blurb at Template:POTD/2014-05-10. If this article needs any attention or maintenance, it would be preferable if that could be done before its appearance on the Main Page. Thanks! — Crisco 1492 (talk) 00:08, 22 April 2014 (UTC)
thread_title:  [[:File:Barnard 33.jpg]]

message: Hello! This is a note to let the editors of this article know that :File: will be appearing as picture of the day on January 27, 2017. You can view and edit the POTD blurb at Template:POTD/2017-01-27. If this article needs any attention or maintenance, it would be preferable if that could be done before its appearance on the Main Page so Wikipedia doesn't look bad. :) Thanks! —howcheng  {chat} 09:17, 24 January 2017 (UTC)
thread_title:  [[:File:{{Remove file prefix|File:Hubble Sees a Horsehead of a Different Color.jpg}}]] to appear as POTD soon 

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thread_title:  External links modified 

message: I have just made an extensive update on the article. I've have added new links, updated info with them, added new material, and also re organised the images. I have corrected several syntax or context errors, and rearranged the structure similar to the Orion Nebula article. New errors may have been accidental introduced and may need corrections. Arianewiki1 (talk) 02:53, 1 May 2019 (UTC)
thread_title: New Bold Attempt and Significant Update

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thread_title:  A Commons file used on this page has been nominated for deletion 

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