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Old 17-12-2014, 05:21 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Pushing the limits, Vela Supernova Remnant.

Hi,

Here's an image I thought I'd never be able to get with an unmodded DSLR, but here it is!

Apart from the Pencil nebula the rest of the Vela Supernova is faint. I've tried before but didn't have the processing skills and the use of ISO 6400 helps a lot, and dark skies.

This image is centred at Star Ced 106c RA.8h 29m 27.4s Dec -44 43'24'.
It took a lot of digging to bring out the detail,( see original stacked image.)

Can't wait to have a go at other area's of the remnant!!

8” F/4 astrograph , baader type 3 coma corrector,. HEQ Pro 5 mount, orion mini guider.
Camera.
Unmodded Cannon 1100D plus cooler box., 60 x 2 minute subs at ISO 6400. Stacked in Deep Sky Stacker .Processed in Photoshop Cs2..
Cheers,
Justin.
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Last edited by tilbrook@rbe.ne; 17-12-2014 at 05:33 PM.
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  #2  
Old 17-12-2014, 05:33 PM
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Larryp (Laurie)
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Well done, Justin-very nice result!
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  #3  
Old 17-12-2014, 05:34 PM
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Amazing
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Old 17-12-2014, 05:35 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Well done, Justin-very nice result!
Thanks Laurie!

Certainly getting my money's worth out of the 1100D!

Cheers,

Justin.
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Old 17-12-2014, 05:36 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Amazing

Thanks Glen!

Cheers,

Justin.
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Old 17-12-2014, 05:54 PM
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RickS (Rick)
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A good result, Justin!
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  #7  
Old 17-12-2014, 06:16 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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A good result, Justin!
Thanks Rick!

Cheers,

Justin.
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Old 17-12-2014, 06:53 PM
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wow nice must be very faint iso 6400 that is pushing it . maybe longer subs needed.
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Old 17-12-2014, 07:25 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Quote:
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wow nice must be very faint iso 6400 that is pushing it . maybe longer subs needed.
Thanks Shane!

ISO 6400 2 minute exposures are perfect for dark skies. I used to use ISO 800 8 minute subs but it doesn't have the sensitivity of 6400.

What I get in noise is balanced out by the amount of exposures.

Cheers,

Justin.
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Old 17-12-2014, 07:39 PM
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rmuhlack (Richard)
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Great stuff Justin! Have wondered myself whether this was a feasible target for a DSLR...think you've answered the question!
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Old 17-12-2014, 08:23 PM
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Excellent job Justin.
Thx for posting the unprocessed image too, I didn't realize it was so faint!
Looking forward to seeing what else you turn up using the unmodded Canon mate. You already have some impressive runs on the board with that set up.
Trev
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Old 17-12-2014, 11:21 PM
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Quote:
Originally Posted by rmuhlack View Post
Great stuff Justin! Have wondered myself whether this was a feasible target for a DSLR...think you've answered the question!
Thanks Richard!

Should come up brilliantly with your setup.

Quote:
Originally Posted by Regulus View Post
Excellent job Justin.
Thx for posting the unprocessed image too, I didn't realize it was so faint!
Looking forward to seeing what else you turn up using the unmodded Canon mate. You already have some impressive runs on the board with that set up.
Trev
Thanks Trevor!

I didn't hold out much hope when stacking was finished, thought it was too faint bit it's worth sticking to it sometimes.

Cheers,

Justin.
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  #13  
Old 17-12-2014, 11:38 PM
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cometcatcher (Kevin)
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WOW!

What I actually said was something else but I'm not allowed to type it.
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  #14  
Old 18-12-2014, 12:45 AM
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Leonardo70 (Leonardo Orazi)
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Very nice... congrats.

All the best,
Leo
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Old 18-12-2014, 07:53 AM
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strongmanmike (Michael)
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Wow, yes, dug out quite nicely Justin

Love the colours of this Neb, so photogenic.

Mike
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  #16  
Old 18-12-2014, 05:45 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Quote:
Originally Posted by cometcatcher View Post
WOW!

What I actually said was something else but I'm not allowed to type it.
Cheers Kevin!

Hope it was a positive expletive.

Quote:
Originally Posted by Leonardo70 View Post
Very nice... congrats.

All the best,
Leo
Thanks Leo!

Quote:
Originally Posted by strongmanmike View Post
Wow, yes, dug out quite nicely Justin

Love the colours of this Neb, so photogenic.

Thanks Mike!

Yes stunning area of sky and whole new play ground for me!

Cheers,

Justin.

Mike
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Old 18-12-2014, 06:23 PM
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An amazing achievement given what it looked like on the subs. Nice image.
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  #18  
Old 18-12-2014, 08:46 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Quote:
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An amazing achievement given what it looked like on the subs. Nice image.
Thanks Paul!

Cheers,

Justin.
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  #19  
Old 19-12-2014, 01:49 AM
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astronobob (Bob)
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Top work Justin, quite amaizing what you have proccessed from the oridginal Sub - your getting way too good
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  #20  
Old 19-12-2014, 03:13 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Quote:
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Top work Justin, quite amaizing what you have proccessed from the oridginal Sub - your getting way too good
Thanks Bob!

All the time spent processing is starting to pay off.

Cheers,

Justin.
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