ICEINSPACE
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Moon Phase
CURRENT MOON
Waxing Gibbous 85.9%
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04-02-2013, 12:21 AM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,484
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Comet Lemmon
Nearly didn't bother to attempt imaging Lemmon tonight, as incessant cloud made getting data very difficult... anyway, I managed to get about 1/2 an hour's worth of this pretty comet.
Set the PME to the same rate as the comet, i.e literally set it to Lemmon rate, for 9 x 2 minute unguided luminance frames, then did RGB.
The median combine still shows a few ghost-stars....but I didn't want to process them out- as the faint tail has some delightful, and quite long, structure.
The link is here
Last edited by Peter Ward; 04-02-2013 at 10:13 PM.
Reason: typo
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04-02-2013, 12:23 AM
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Registered User
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Join Date: Dec 2006
Location: Canowindra NSW Australia
Posts: 1,218
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Thats Nice - Tony
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04-02-2013, 07:11 AM
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Registered User
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Join Date: Apr 2012
Location: Sydney
Posts: 5,244
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That's a ripper, Peter!
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04-02-2013, 07:15 AM
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Sir Post a Lot!
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Join Date: Sep 2004
Location: Gosford, NSW, Australia
Posts: 36,799
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Really nice Peter!
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04-02-2013, 07:16 AM
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“We are star-stuff”
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Join Date: Dec 2006
Location: Central Coast
Posts: 1,317
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Very cool.........!
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04-02-2013, 10:26 AM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,484
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Quote:
Originally Posted by Deeno
Very cool.........!
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Quote:
Originally Posted by iceman
Really nice Peter!
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Quote:
Originally Posted by Larryp
That's a ripper, Peter!
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Quote:
Originally Posted by anthony.tony
Thats Nice - Tony
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Thanks Guys...but I think it needs a re-shoot to totally remove that annoying pattern noise...the forecast is for clearer weather mid week
Last edited by Peter Ward; 04-02-2013 at 03:00 PM.
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04-02-2013, 03:00 PM
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IIS Member #671
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Join Date: Dec 2005
Location: Canberra
Posts: 11,159
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Wow, Peter, that looks stunning! You're right about the beautiful detail in the tail.
H
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04-02-2013, 05:38 PM
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JHT
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Join Date: Jun 2007
Location: Penwortham
Posts: 3,039
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Nice Peter,
The detail in the tail is impressive!
Cheers,
Justin.
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04-02-2013, 06:15 PM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,484
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Quote:
Originally Posted by tilbrook@rbe.ne
Nice Peter,
The detail in the tail is impressive!
Cheers,
Justin.
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Quote:
Originally Posted by Octane
Wow, Peter, that looks stunning! You're right about the beautiful detail in the tail.
H
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Thanks guys... Lemmon had quite an impressive apparent motion. The stellar-like head trailed with just 2 minute subs.... hence I might try a different imaging plan if I can get another crack at it.
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04-02-2013, 08:02 PM
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Registered User
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Join Date: Sep 2010
Location: Adelaide
Posts: 779
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Wow I'm loving all these f6 images especially this one. Incredible. 
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04-02-2013, 08:21 PM
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Registered User
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Join Date: Aug 2006
Posts: 4,628
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You guys are really setting the bar high for this one! I can't wait to see it!
Beautiful shot mate.
Baz.
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04-02-2013, 08:27 PM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,484
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Quote:
Originally Posted by stardust steve
Wow I'm loving all these f6 images especially this one. Incredible.
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F6??? nah, way too slow.....  ....but much appreciated
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04-02-2013, 09:06 PM
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Really just a beginner
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Join Date: Jun 2009
Location: Brisbane
Posts: 3,045
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Impressive shot Peter,
Nonetheless, if you've set the tracking rate to Lemmon speed, why aren't your stars elongated?
(Just trying to work out how I might take a similar shot if the weather obliges this weekend!)
DT
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04-02-2013, 09:35 PM
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Registered User
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Join Date: Aug 2009
Location: Waitakere Ranges, New Zealand
Posts: 2,260
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Fabulous image, the tail detail is great This comet is certainly getting exciting. Thanks for the view!
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04-02-2013, 10:19 PM
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Galaxy hitchhiking guide
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Join Date: Dec 2007
Location: The Shire
Posts: 8,484
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Quote:
Originally Posted by DavidTrap
Impressive shot Peter,
Nonetheless, if you've set the tracking rate to Lemmon speed, why aren't your stars elongated?
(Just trying to work out how I might take a similar shot if the weather obliges this weekend!)
DT
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Thanks 
Two exposure runs, one at comet rate, one at sidereal 
Layer into Photoshop...albeit imperfect in my case as you can still see hints of the trailed stars in the comet structure.
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04-02-2013, 10:37 PM
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Really just a beginner
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Join Date: Jun 2009
Location: Brisbane
Posts: 3,045
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Quote:
Originally Posted by Peter Ward
Thanks
Two exposure runs, one at comet rate, one at sidereal
Layer into Photoshop...albeit imperfect in my case as you can still see hints of the trailed stars in the comet structure. |
Ahhhhhh - the truth comes out! 
Will have to learn about setting custom tracking rates for my mount in case the weather obliges this weekend!
ta
DT
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04-02-2013, 10:44 PM
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PI cult recruiter
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Join Date: Apr 2010
Location: Brisbane
Posts: 10,584
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Very nice, Peter! We've been spoilt with a few great images already.
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