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Old 11-03-2013, 01:11 AM
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Screwdriverone (Chris)
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Centaurus A - 7th March

Hi all,

Well, a rare event in Sydney.....a CLEAR night saw me attempt to capture 2 hours of exposures from Centaurus A, a glorious lenticular galaxy in the constellation of Centaurus. One of the brightest X-ray and radio sources in the night sky, Centaurus A lies between 10 and 16 Million Light years away. Failure of my guiding program after 45 minutes saw me only capture 7 x 5 min subexposures of the planned 24, so this represents only 35 mins worth of data from the Atik 314L+ and the 200mm Newtonian reflector. Its a start, one I hope to get more data on at Ice In Space Astro camp in April.

I was playing around with the drift alignment, but wouldn't you know it, PHD had conniptions and decided to go all haywire on me during the sequence so I had to throw out 17 subs which were all over the shop, not drifted or eggy, but zig zagged.....I wasn't happy.

No darks, flats or bias used. Just the lights ma'am....

Processed in Nebulosity, PS CS3, Startools and the kitchen sink, just for good measure.

Larger, 5.2Meg non compressed version here:

Comments, tips and critiques are welcome.

Cheers

Chris
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  #2  
Old 11-03-2013, 01:21 AM
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strongmanmike (Michael)
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Great start Chris, all the good bits showing through there

Oh and these things are sent to test us...I am battling wind and high cloud as we speak...aaand producing mostly rubbish...

Mike
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Old 11-03-2013, 06:56 AM
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prokyon (Werner Probst)
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Funny (rather sad), I am sitting at the other side of the world and have the same weather problems. Almost no clear nights.
Good start and I wish you many clear nights for finishing.
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Old 11-03-2013, 07:03 AM
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Larryp (Laurie)
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Coming up nicely, Chris
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  #5  
Old 11-03-2013, 12:59 PM
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Rod771 (Rod)
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Looking good so far Chris

Lets hope the clouds cant find Lostock
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Old 11-03-2013, 09:14 PM
Ross G
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Hi Chris,

Nice photo from so little exposure.

Ross.
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Old 12-03-2013, 11:57 AM
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Shiraz (Ray)
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looks like you are really enjoying the camera Chris - remarkable result for 35 minutes. regards ray
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Old 12-03-2013, 12:57 PM
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asimov (John)
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Lovely work Chris!
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Old 12-03-2013, 12:59 PM
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Sarge (Rod)
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Nice one Chris. I did 18 mins with darks and bias and didn't come near yours. Looking forward to the final result.

Clear skies

Rod
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  #10  
Old 12-03-2013, 08:50 PM
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Screwdriverone (Chris)
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Quote:
Originally Posted by strongmanmike View Post
Great start Chris, all the good bits showing through there

Oh and these things are sent to test us...I am battling wind and high cloud as we speak...aaand producing mostly rubbish...

Mike
Hi Mike,

Thanks mate, it's good to keep progressing, especially with such a gap since the last night out....

I am not sure what the issue was with PHD but it seemed to crash and go "not responding" which caused wiggly corrections for some reason. I should have checked it earlier, but live and learn I suppose...

Cheers

Chris
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  #11  
Old 12-03-2013, 08:59 PM
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Screwdriverone (Chris)
I have detailed files....

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Quote:
Originally Posted by Larryp View Post
Coming up nicely, Chris
Cheers Laurie,

Quote:
Originally Posted by prokyon View Post
Funny (rather sad), I am sitting at the other side of the world and have the same weather problems. Almost no clear nights.
Good start and I wish you many clear nights for finishing.
Thanks Prokyon, it has been depressing this crappy rain every day (and night). I can't wait to grab some more for this one.

Cheers

Quote:
Originally Posted by Rod771 View Post
Looking good so far Chris

Lets hope the clouds cant find Lostock
Sounds like you are going too Rod? Look forward to catching up if you are. (anyone else coming along?)

Thanks for the comments

Cheers

Quote:
Originally Posted by Ross G View Post
Hi Chris,

Nice photo from so little exposure.

Ross.
Good little camera this one Rod! I am loving it

I was pleasantly surprised too, now I have DSS tamed, its much easier to reproduce good results from different data sets.

Cheers

Quote:
Originally Posted by Shiraz View Post
looks like you are really enjoying the camera Chris - remarkable result for 35 minutes. regards ray
I think the 5 minute subs helped there Ray, I was a tad disappointed to lose 85 minutes to spazzy guiding.

Thanks mate

Quote:
Originally Posted by asimov View Post
Lovely work Chris!
Thanks John!, glad you liked it

Quote:
Originally Posted by Sarge View Post
Nice one Chris. I did 18 mins with darks and bias and didn't come near yours. Looking forward to the final result.

Clear skies

Rod
Dont need no stinking darks with this pearler of a camera Rod! Tee hee hee hee hee! I am a fan boi me....!

Thanks for all the nice comments guys.

Cheers

Chris
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  #12  
Old 12-03-2013, 09:57 PM
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jakob
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Very nice result!
Lots of detail and from Kellyville!!!!!
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  #13  
Old 12-03-2013, 10:11 PM
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Screwdriverone (Chris)
I have detailed files....

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Very nice result!
Lots of detail and from Kellyville!!!!!
Thanks Jakob.

Kellyville POWER!!!!! I could do without some of the skyglow, but I can't ask for more from this.

Thanks Neighbourino!

Cheers

Chris
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