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Old 07-12-2006, 10:51 PM
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Octane (Humayun)
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The Witch Head Nebula (NGC 1909) in Eridanus

Hi all,

Here's another from my stay over at Zane's observatory.

Read and view here.

Warning: file is approximately 1.25 MB in size.

As always, comments and critique welcome.

Regards,
Humayun
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  #2  
Old 07-12-2006, 11:15 PM
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as always, the presentation is superb and I love the nebula!

with some of the brighter stars, they seem to have dark lanes at opposite ends to each other - what would cause those? almost like negative diffraction spikes.

I really like looking at this!
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Old 07-12-2006, 11:19 PM
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lovely image H, but could you enlighten me as to the split halo's of the brighter stars? did you have something on/in the optical train to make that?
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Old 07-12-2006, 11:35 PM
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Ghostly

Lovey subtle colour with excellent stars

A fine image!

Your images just keep imroving Humy

Mike
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Old 08-12-2006, 12:43 AM
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verrry nice Humayun!!! i really like it.
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Old 08-12-2006, 12:51 AM
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oh btw, when & where did you get your camera modded? was it a big difference?
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Old 08-12-2006, 02:32 AM
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Wow a very nice image once again H!
I've always liked this nebula.
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Old 08-12-2006, 06:06 AM
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Another fine image, H.

What bright star is causing the massive flare in the lower bottom right?
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Old 09-12-2006, 12:43 AM
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Thats a great image Humayun, fantastic colours.

I really enjoyed that one.
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Old 09-12-2006, 08:09 AM
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Impresive image Humayan.

Nicely taken and composed.
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  #11  
Old 10-12-2006, 11:16 AM
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Very nice image Humayan, this must be a very faint object I have looked for it visually a few times and seen nothing. Clear skies Ken
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  #12  
Old 10-12-2006, 03:27 PM
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David,

Cheers, mate.

I have absolutely no idea what's caused them. I'll have to speak to Zane and see if I can find an answer. It didn't happen in any of the other images that I took with the exact same configuration.

Thanks!

Regards,
Humayun

Quote:
Originally Posted by davidpretorius
as always, the presentation is superb and I love the nebula!

with some of the brighter stars, they seem to have dark lanes at opposite ends to each other - what would cause those? almost like negative diffraction spikes.

I really like looking at this!
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  #13  
Old 10-12-2006, 03:28 PM
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David,

Thanks.

As mentioned to davidpretorius, I have no idea what's caused them, as they didn't appear in any of the other images taken with the same set up.

My only guess is that it could be caused by the reflection from Rigel in the bottom right of the screen? I don't know how, but, that's my only guess.

Regards,
Humayun

Quote:
Originally Posted by h0ughy
lovely image H, but could you enlighten me as to the split halo's of the brighter stars? did you have something on/in the optical train to make that?
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  #14  
Old 10-12-2006, 03:29 PM
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Mike,

Thanks, again.

I'm not entirely over the Moon with this image due to the reflection from Rigel, but, there's always next time.

Regards,
Humayun

Quote:
Originally Posted by strongmanmike
Lovey subtle colour with excellent stars

A fine image!

Your images just keep imroving Humy

Mike
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  #15  
Old 10-12-2006, 03:29 PM
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Eric,

Cheers.

Regards,
Humayun

Quote:
Originally Posted by EzyStyles
verrry nice Humayun!!! i really like it.
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  #16  
Old 10-12-2006, 03:31 PM
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Eric,

I haven't got my camera modified just yet. The equipment I used was Zane Hammond's (astroboy) at Magellan Observatory.

I may end up modifying my camera myself as Dave Burren seems to be very busy.

As for difference, there's a massive difference! It's worth it.

Regards,
Humayun

Quote:
Originally Posted by EzyStyles
oh btw, when & where did you get your camera modded? was it a big difference?
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  #17  
Old 10-12-2006, 03:32 PM
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Andrew,

Thanks, mate.

It's an interesting object. I think there's some theories which say that it's a part of Bernard's Loop, whilst others say it's a supernova remnant. In either case, it makes you wonder what happened up there to cause it.

Regards,
Humayun

Quote:
Originally Posted by Rocket Boy
Wow a very nice image once again H!
I've always liked this nebula.
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  #18  
Old 10-12-2006, 03:33 PM
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Mike,

Thanks!

The reflection is from Rigel. I thought that perhaps some kind of gradient removal would remove it, but, I had too much difficulty, so just left it in. I know it detracts from the image; I'll have to redo it some time.

Regards,
Humayun

Quote:
Originally Posted by iceman
Another fine image, H.

What bright star is causing the massive flare in the lower bottom right?
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  #19  
Old 10-12-2006, 03:33 PM
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Ric,

Thanks, mate.

Regards,
Humayun

Quote:
Originally Posted by Ric
Thats a great image Humayun, fantastic colours.

I really enjoyed that one.
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  #20  
Old 10-12-2006, 03:34 PM
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Tony,

Cheers, mate.

I'm not too happy with it, and will re-image it when I get my new equipment.

Regards,
Humayun

Quote:
Originally Posted by Striker
Impresive image Humayan.

Nicely taken and composed.
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