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Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*

 
Dr. AstroModerator
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Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Well the comet dust hitting earth this morning failed to kill me (the Perseids, here's how to collect some comet dust for yourself: [link to www.wired.com] ) but I did go looking for comet ISON in the pre-dawn haze about 6 degrees above the horizon. Saw a fat lot of nothing. There's just too much haze and sky glow for me that close to the horizon. Here's what the image looks like after dark and flat subtraction (still some left over circles from dust motes in the image though - need to get better at doing flat field subtraction):
[link to img703.imageshack.us]

So like I said, there's just nothing there. The circles are just dust in the camera/telescope which was pointed right at ISON. The black spots are subtracted hot pixels.

The glow of the sky was brighter than the comet, so I couldn't see it. For comparison, here's another nearby part of the sky at about the same altitude over the horizon imaged just moments later, and it does at least have a few stars visible in it (as well as the same dust motes and black spots from subtracted hot pixels):
[link to img20.imageshack.us]

There's supposed to be another comet in that image as well, not ISON, but I don't see that one either (it's actually a little bit dimmer than ISON). These comets are just too dim to be seen that close to the horizon if there's any sky glow present at all - it doesn't take much for the sky brightness to surpass magnitude 13~14. I used a Mallincam on my LX200, and at that altitude over the horizon even a 14 second integration starts to over-expose the sensitive camera. I was running 7 second integrations on ISON. Oh well, I'll keep trying in the mornings and let you know when I see it.

Last Edited by Dr. Astro on 08/12/2013 04:13 PM
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Keep us posted! Thanks and lovely gear you have.
Setheory
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08/12/2013 12:06 PM
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
My scope is out of commission, so I will be depending on you for images and updates.

Thanks for sharing.
Dr. AstroModerator (OP)
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08/12/2013 12:20 PM

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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
My scope is out of commission, so I will be depending on you for images and updates.

Thanks for sharing.
 Quoting: Setheory 22372062


No problem, will do!
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Thanks for observing)
bump
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Well the comet dust hitting earth this morning failed to kill me (the Perseids, here's how to collect some comet dust for yourself: [link to www.wired.com] ) but I did go looking for comet ISON in the pre-dawn haze about 6 degrees above the horizon. Saw a fat lot of nothing. There's just too much haze and sky glow for me that close to the horizon.
 Quoting: Dr. Astro


Yeah, we call those "chemtrails", and they're put there for a reason.
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08/12/2013 12:29 PM
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Well the comet dust hitting earth this morning failed to kill me (the Perseids, here's how to collect some comet dust for yourself: [link to www.wired.com] ) but I did go looking for comet ISON in the pre-dawn haze about 6 degrees above the horizon. Saw a fat lot of nothing. There's just too much haze and sky glow for me that close to the horizon.
 Quoting: Dr. Astro


Yeah, we call those "chemtrails", and they're put there for a reason.
 Quoting: Cassandra's Echo


That's a Bingo! chuckle

Dr. Asshole knows this, but doesn't seem to want to mention it.
Anonymous Coward
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08/12/2013 12:30 PM
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Well the comet dust hitting earth this morning failed to kill me (the Perseids, here's how to collect some comet dust for yourself: [link to www.wired.com] ) but I did go looking for comet ISON in the pre-dawn haze about 6 degrees above the horizon. Saw a fat lot of nothing. There's just too much haze and sky glow for me that close to the horizon.
 Quoting: Dr. Astro


Yeah, we call those "chemtrails", and they're put there for a reason.
 Quoting: Cassandra's Echo


That's a Bingo! chuckle

Dr. Asshole knows this, but doesn't seem to want to mention it.
 Quoting: Anonymous Coward 16745911


they wee put there to stop the matrix...

agent

:)
Anonymous Coward
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08/12/2013 12:32 PM
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
it looks rather that you were completely out of focus..

It's magnitude is 13.34 which is maybe a bit small?
erchoz

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08/12/2013 12:33 PM
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
I can see your secundary mirror, no?
erchoz
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08/12/2013 12:36 PM
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Sorry captain too many chemtrails,keep up your ego building cupcake!
SaltyFlats
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08/12/2013 12:37 PM

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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Thanks for the update Astro!

I've got my little Meade EXT90 ready to go!
For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring. -Carl Sagan.
sreglof23
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08/12/2013 12:42 PM

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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Oh man I saw a few big fireballs, a couple nice vapor trails at around 5:30am here in western N.C. Six degrees is too low for me here in the foothills of the Appalachains for Ison right now. But it IS ON.....lol
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
So You're saying Ison has likely broken into fragments, trajectory has been dramatically altered and fragments will be smashing into Earth/Moon?
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08/12/2013 12:43 PM
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Thanks, Astro....appreciate the effort.
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Ok its been confirmed by Dr Astro we are doomed Comet Ison Has baffled the experts and there is another one too (maybe Nibiru) .... Dr Astro has said we are doomed tounge lollala
Dr. AstroModerator (OP)
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Well the comet dust hitting earth this morning failed to kill me (the Perseids, here's how to collect some comet dust for yourself: [link to www.wired.com] ) but I did go looking for comet ISON in the pre-dawn haze about 6 degrees above the horizon. Saw a fat lot of nothing. There's just too much haze and sky glow for me that close to the horizon.
 Quoting: Dr. Astro


Yeah, we call those "chemtrails", and they're put there for a reason.
 Quoting: Cassandra's Echo


That's a Bingo! chuckle

Dr. Asshole knows this, but doesn't seem to want to mention it.
 Quoting: Anonymous Coward 16745911


No, it's not "chemtrails" or even contrails. The sky was nice and clear. Haze near the horizon is a normal phenomenon that plagues you near the horizon even on clear nights and it's not caused by airplanes. It's just particles of dust in the air near the ground which can scatter light pollution and increase skyglow near the horizon.
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
So You're saying Ison has likely broken into fragments, trajectory has been dramatically altered and fragments will be smashing into Earth/Moon?
 Quoting: Anonymous Coward 12218342

No. I'm saying it's still too low on the horizon prior to dawn for me to see from here. Maybe if I get out to the east coast I'll have better luck looking out over the ocean; less haze, light pollution and skyglow that way. I drove to a nearby island this morning (sounds like an oxymoron but there's a bridge) and my scope was looking back east towards the mainland. Unfortunately there's a town back east as well which generates a noticeable amount of light pollution. I don't know when or if I'll have time to drive to the east coast any time in the next month though, so for now my island site is probably as good as it gets. It is actually quite dark there once you start looking at higher altitudes over the horizon. I can see the milky way there with no effort at all.
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08/12/2013 12:49 PM
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Well the comet dust hitting earth this morning failed to kill me (the Perseids, here's how to collect some comet dust for yourself: [link to www.wired.com] ) but I did go looking for comet ISON in the pre-dawn haze about 6 degrees above the horizon. Saw a fat lot of nothing. There's just too much haze and sky glow for me that close to the horizon. Here's what the image looks like after dark and flat subtraction (still some left over circles from dust motes in the image though - need to get better at doing flat field subtraction):
[link to img703.imageshack.us]

So like I said, there's just nothing there. The circles are just dust in the camera/telescope which was pointed right at ISON. The black spots are subtracted hot pixels.

The glow of the sky was brighter than the comet, so I couldn't see it. For comparison, here's another nearby part of the sky at about the same altitude over the horizon imaged just moments later, and it does at least have a few stars visible in it (as well as the same dust motes and black spots from subtracted hot pixels):
[link to img20.imageshack.us]

There's supposed to be another comet in that image as well, not ISON, but I don't see that one either (it's actually a little bit dimmer than ISON). These comets are just too dim to be seen that close to the horizon if there's any sky glow present at all - it doesn't take much for the sky brightness to surpass magnitude 13~14. I used a Mallincam on my LX200, and at that altitude over the horizon even a 14 second integration starts to over-expose the sensitive camera. I was running 7 second integrations on ISON. Oh well, I'll keep trying in the mornings and let you know when I see it.
 Quoting: Dr. Astro


Thanks for looking. Would be sweet if I had a telescope large enough to see this.
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08/12/2013 12:50 PM
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
So the other thead said that "they" should have seen it 6 days ago.
Where is it? Does the Hubble ever point to a few degrees off the sun?
Or is this terrestrial only work?
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
I don't get it. Aren't you competely out of focus?
erchoz
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
it looks rather that you were completely out of focus..

It's magnitude is 13.34 which is maybe a bit small?
 Quoting: Anonymous Coward 34251105


Out of focus on what? The dust particles? No, the telescope was focused on the stars just fine (there are a few stars in this image: [link to img20.imageshack.us] I have some lovely footage of the double cluster from before I slewed to ISON that I can share later if you still don't believe me. Magnitude 13 is quite dim and I knew this was an extremely long shot. Still, it would be very cool to be the first to recover the comet, so I'll keep trying.
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
I don't get it. Aren't you competely out of focus?
 Quoting: erchoz


No.
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
So the other thead said that "they" should have seen it 6 days ago.
Where is it?
 Quoting: Anonymous Coward 26749853

Who's they and what makes them so special that they're that confident that they should have seen it? It's right where my telescope was pointed, the GOTOs were landing perfectly, but the problem is it's still too dim for the amount of skyglow in my area. Maybe if you were at an exceptionally dark site with great transparency you might have a little more luck. That's why I wish I could get to the east coast.
Does the Hubble ever point to a few degrees off the sun?
Or is this terrestrial only work?
 Quoting: AC

Hubble has limits on how close it can safely point near the sun. Too close and stray light will literally destroy the sensitive equipment. I forget what the exact limit is, but according to this article it completely prevents even Venus from being seen.
[link to science.howstuffworks.com]
ISON is definitely far closer to the sun right now than Venus sometimes is.
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Well, if at first you don't succeed...

You'll get it, I'm sure. It'll just take a little longer. Still somewhat reminiscent of Kohoutek, though.
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Cheers Astro, thanks for your updates and infos. Some of us DO appreciate your presence and knowledge.
Dr. AstroModerator (OP)
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Well, if at first you don't succeed...

You'll get it, I'm sure. It'll just take a little longer. Still somewhat reminiscent of Kohoutek, though.
 Quoting: 74444


Yeah, I know, right? I'm not looking forward to the backlash astronomy will receive if this thing is a bust. It's really the media's fault to a large extent, but I think professional astronomers also need to be more cognizant of how the media will run with optimistic expectations and ignore or minimize the exposure of any qualifiers put on those statements, particularly in the headlines.

I'm not all that young, but I'm still the youngest active member of my astronomy club, probably by at least a decade or more. That's depressing to me. I know astronomers, both amateur and professional, are eager to get the younger generation interested in space and astronomy, but over-inflated expectations lead to disappointment which does more harm than good.
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
you cant see it' because it is not a comet' its a ship, that has docked with nibiru behind the sun.

cruisecruisecruisecruisecruisecruise
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Thanks for the pin!
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
Well the comet dust hitting earth this morning failed to kill me (the Perseids, here's how to collect some comet dust for yourself: [link to www.wired.com] ) but I did go looking for comet ISON in the pre-dawn haze about 6 degrees above the horizon. Saw a fat lot of nothing. There's just too much haze and sky glow for me that close to the horizon.
 Quoting: Dr. Astro


Yeah, we call those "chemtrails", and they're put there for a reason.
 Quoting: Cassandra's Echo


That's a Bingo! chuckle

Dr. Asshole knows this, but doesn't seem to want to mention it.
 Quoting: Anonymous Coward 16745911


No, it's not "chemtrails" or even contrails. The sky was nice and clear. Haze near the horizon is a normal phenomenon that plagues you near the horizon even on clear nights and it's not caused by airplanes. It's just particles of dust in the air near the ground which can scatter light pollution and increase skyglow near the horizon.
 Quoting: Dr. Astro


Are you saying that the thousands of flights per day do not leave anything in the air? Or that planes put out "dust" in their exhaust? lmao

Looks like you've got some people fooled, but not all of us.
Dr. AstroModerator (OP)
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Re: Comet ISON was a no-show for me this morning. *ISON recovered by amateur astronomer Bruce Gary page 4*
...


Yeah, we call those "chemtrails", and they're put there for a reason.
 Quoting: Cassandra's Echo


That's a Bingo! chuckle

Dr. Asshole knows this, but doesn't seem to want to mention it.
 Quoting: Anonymous Coward 16745911


No, it's not "chemtrails" or even contrails. The sky was nice and clear. Haze near the horizon is a normal phenomenon that plagues you near the horizon even on clear nights and it's not caused by airplanes. It's just particles of dust in the air near the ground which can scatter light pollution and increase skyglow near the horizon.
 Quoting: Dr. Astro


Are you saying that the thousands of flights per day do not leave anything in the air? Or that planes put out "dust" in their exhaust? lmao

Looks like you've got some people fooled, but not all of us.
 Quoting: Anonymous Coward 16745911


You're grasping at straws. Sure planes leave particles in the air, but ground haze is mostly just that, ground haze. It has nothing to do with contrails or "chemtrails."
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