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Old 15-10-2015, 09:04 PM
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Somnium (Aidan)
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NGC 300 first light for the observatory

This is first "remote" light for my system finally got the balls up to open the roof from Sydney and image. it is only 30 mins of lum, there are a few issues that need to be addressed so there was no point getting any more.
1) i have struggled to get good flats so i will have to take some with my light box when i am down next time. you can probably see a little gradient in the image. i want to build one into the observatory so i can take good flats any time.
2) this one will probably content for the dumbest thing i have done thread ... but i cant quite reach focus. i get the closest with the clear filter but i need to add a spacer so i can get into sharp focus.
3) i am yet to run PEC on my mount which should help the tracking but it was not bad for first attempt, also i could refine the PA a bit

anyway, feedback is welcome but be gentle on me, it has been a long hall to get here

image details

6 X 300 sec L
temp -25
darks and flats applied
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Last edited by Somnium; 15-10-2015 at 11:21 PM.
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Old 15-10-2015, 09:10 PM
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Atmos (Colin)
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If it makes you feel better, this is a 7x400 from two nights ago when I was wanting to see if it was worthwhile even imaging it more. Decided against it

I guess if nothing else, it is great that you got it imaging remotely without a hitch! Once you get some of the issues that you already know about dealt with, you'll be churning out some good stuff
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Old 15-10-2015, 09:14 PM
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RickS (Rick)
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Congrats on the first light!

Cheers,
Rick.
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Old 15-10-2015, 09:14 PM
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Somnium (Aidan)
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Quote:
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Once you get some of the issues that you already know about dealt with, you'll be churning out some good stuff
That's the plan

but this is all really just an exercise in bug ironing until the new scope arrives
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Old 15-10-2015, 09:24 PM
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Somnium (Aidan)
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Congrats on the first light!

Cheers,
Rick.
Thanks Rick

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If it makes you feel better, this is a 7x400 from two nights ago when I was wanting to see if it was worthwhile even imaging it more. Decided against it
at least it is in focus
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Old 18-10-2015, 08:51 AM
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Shiraz (Ray)
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Quote:
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anyway, feedback is welcome but be gentle on me, it has been a long hall to get here
well, we are not known for that - but the image quality does not matter so much in this case, it's how you got it that matters. Congratulations.
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Old 18-10-2015, 09:22 AM
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vlazg (George)
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I"ve been following your progress Aidan, its been fascinating.

Congratulations

The journey is half the fun, thanks for making us a part of it.
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Old 18-10-2015, 10:35 AM
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well, we are not known for that - but the image quality does not matter so much in this case, it's how you got it that matters. Congratulations.
Thanks Ray, i am looking forward to some better results

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Originally Posted by vlazg View Post
I"ve been following your progress Aidan, its been fascinating.

Congratulations

The journey is half the fun, thanks for making us a part of it.
Thanks George, even though i have had my fair share of frustrations, troubleshooting and resolving them has been fun. yesterday i did a 4 hour round trip to fix my focuser (turns out the JMI motorfocuser was not rotating the focuser out, it was just spinning) i also managed to fix a slight issue with the roof, take some flats with my light box and record my PEC.
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Old 18-10-2015, 01:43 PM
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5ash (Philip)
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Good start , you didnt mention the scope you were using. Ive been experimenting with a little SW ED65 , heres my effort 2 nights ago on NGC300. 15x 5min subs . Its a bit small but on enlarging you can start to see the shape.
philip
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Old 18-10-2015, 03:32 PM
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Good start , you didnt mention the scope you were using. Ive been experimenting with a little SW ED65 , heres my effort 2 nights ago on NGC300. 15x 5min subs . Its a bit small but on enlarging you can start to see the shape.
philip
Nice one !, i assume you are using a DSLR? if so, dithering might help with the background colour mottle (feel free to ignore the advice of this noob though). i was using a GSO f4 10" newt, hopefully next one will hae tighter focus on the stars.
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Old 18-10-2015, 03:58 PM
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5ash (Philip)
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Originally Posted by Somnium View Post
Nice one !, i assume you are using a DSLR? if so, dithering might help with the background colour mottle (feel free to ignore the advice of this noob though). i was using a GSO f4 10" newt, hopefully next one will hae tighter focus on the stars.
No , a celestron 10.7Mp nightscape , a very noisy CCD camera. Gets pretty pictures with lots of subs and post treatment with PS ,which I'm still a novice with. The 65 mm skywatcher Ed is not the best telescope for galaxies , I'm going to use it on wide field nebula pictures .Good luck with the focussing next time.
Regards philip
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Old 18-10-2015, 04:00 PM
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No , a celestron 10.7Mp nightscape , a very noisy CCD camera. Gets pretty pictures with lots of subs and post treatment with PS ,which I'm still a novice with. The 65 mm skywatcher Ed is not the best telescope for galaxies , I'm going to use it on wide field nebula pictures .Good luck with the focussing next time.
Regards philip
sounds good, the focusing issue has been fixed but i dont think i will get the tight stars i am looking for until i upgrade my scope
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