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Old 13-01-2014, 09:18 AM
Stevec35 (Steve)
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NGC2438 and Calabash nebula

This is a work in progress and colour will follow when the moon goes away. It's quite a deep Hydrogen Alpha shot (I may go even deeper) which shows the faint shell structure around NGC2438 and the faint Calabash nebula, a proto-planetary nebula, to the lower left. Mike's recent great shot also shows the Calabash quite clearly too.

Cheers

Steve

http://members.pcug.org.au/~stevec/n...TXL6303_RC.htm
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Old 13-01-2014, 09:37 AM
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strongmanmike (Michael)
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Faint shells and a baby rattle, not seen on IIS before and now two in a week cool

Good confirmation actually, that very outer shell is not complete...maybe with heaps more exposure the missing section might show..? I gave up (impatient )

Mike
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Old 13-01-2014, 10:14 AM
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RickS (Rick)
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Nice work, Steve. Looking forward to the colour version!
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Old 13-01-2014, 11:28 AM
Stevec35 (Steve)
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Quote:
Originally Posted by RickS View Post
Nice work, Steve. Looking forward to the colour version!
Thanks Rick. Hopefully shouldn't be too long.

Quote:
Originally Posted by strongmanmike View Post
Faint shells and a baby rattle, not seen on IIS before and now two in a week cool

Good confirmation actually, that very outer shell is not complete...maybe with heaps more exposure the missing section might show..? I gave up (impatient )

Mike
Thanks Mike. Not sure exactly where I'm going to go yet - narrowband or HaRGB - perhaps both. A long SII exposure might be interesting because the Calabash contains lots of sulphur hence the alternative name of rotten egg nebula.
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Old 14-01-2014, 10:45 AM
Stevec35 (Steve)
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Because there isn't much else to do at full moon except image in Ha I added some more to this image and it's now up to over 11 hours. Nothing much added to the overall result except it looks a bit cleaner now because I didn't have to stretch it as much.

Cheers

Steve

http://members.pcug.org.au/~stevec/n...TXL6303_RC.htm
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Old 14-01-2014, 05:24 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Great stuff Steve!

Interesting to have yours and Mikes images of NGC 2438, and with such detail!!
Your image really shows that faint outer shell quite well.

Cheers,

Justin.
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Old 14-01-2014, 10:10 PM
Ross G
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Great capture Steve.

Ross.
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Old 14-01-2014, 10:24 PM
Stevec35 (Steve)
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Originally Posted by tilbrook@rbe.ne View Post
Great stuff Steve!

Interesting to have yours and Mikes images of NGC 2438, and with such detail!!
Your image really shows that faint outer shell quite well.

Cheers,

Justin.
Thanks Justin. Hopefully the colour will look even better.
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