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Offline clive

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black white rossett
« on: 00:10:32, 06 February, 2017 »
i give ngc 2244 another go tonite 16 ten minute subs iso 1600not very good image  i used my hydrogen alpha 12 na filter i think its a bit better than my last rossett  image looks like it needs moor subs allmost three hours at iso 1600 i thought it would have been enough the moon was one day after first quater was not very far from the rossett nebula i lost some subs because of passing clouds  but ther we are its all fun  all images taken with my intervalomiter handy gadgit feed back good and bad wellcome

Offline chris.bailey

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Re: black white rossett
« Reply #1 on: 07:44:08, 06 February, 2017 »

If you look back on your images from 6 months ago I think you will see you have come a long way. With a 12nm Ha that moon would have robbed you of some contrast plus your DSLR is not as efficient at turning Ha photons into electrons so all in all I reckon thats pretty fine.

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Offline Roger B

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Re: black white rossett
« Reply #2 on: 12:44:38, 06 February, 2017 »
Yep I agree with Chris, 

Your getting there.   One question though,  is this just the red channel ?    As there seems to be a colour gradient on the LHS

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Offline clive

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Re: black white rossett
« Reply #3 on: 14:05:03, 06 February, 2017 »
thanks chaps yes it wasa only the red channal in channals in photo shop every time i made an adjust ment in curves all colour channals were highlited  so i clicked just red channal the moon was close to the rosettits a bit noisey because i used 1600 iso and 10 minute subs i found a tutorial on u tub noise redution blending modes but its only good for other objects but thanks for the compliments it turned out not to bad

Offline AstroOlly

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Re: black white rossett
« Reply #4 on: 11:07:40, 08 February, 2017 »
Really nice start, if only I could...... 😀
Meade LX90 Classic 8" + Audiostar, with Feathertouch focuser,  Meade Series 5000 80mm triplet APO, SXVR M25c OSC CCD camera, SX Lodestar guide camera,  ASI 120mc-s Camera,  Baader 36mm LRGB & Ha OIII SII,  Televue 2.5x Powermate, Skywatcher EQ6 Pro, Astro Engineering pro pier, Nano PC


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