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seeker372011
scholastic sledgehammer


Reged: 03/05/04
Posts: 993
Loc: Sydney , Australia
The Trffid imaged with an ETX 70AT
      #137515 - 06/30/04 08:06 AM Attachment (360 downloads)
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This image was acquired in severely light polluted suburban skies and pushed the scope to the limit...prior to processing in Photoshop I had a black rectangle with a few dots.
Here is the final image (arrived at with some help from others in processing)

ETX 70, camera Atik 1 c (modified Phillips Tou Cam) 50 exposures of 10 seconds each , best 12 selected for stacking , further processing in photoshop, NEAT for noise removal

Attachment

--------------------
ED 80 on ASCG5 mount;ED 127 on EQ6; QHY8,QHY2pro, 20 x 80 LW Obies;PST (spectrum 60);10 inch GSO dob;Astrotrac and Mini Borg 45ED

Edited by seeker372011 (06/30/04 08:07 AM)

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ArizonaScott
Postmaster


Reged: 04/29/04
Posts: 5864
Loc: Scottsdale, AZ
Re: The Trffid imaged with an ETX 70AT new [Re: seeker372011]
      #137656 - 06/30/04 12:11 PM
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Your images with the ETX70 are amazing. Are you posting them on Weasner's Mighty ETX Site? If not, you should. I think most ETX owners would agree that Mike's site could be considered the Holy Grail of information for ETX owners. Thanks for the great images and keep them coming

Scott

--------------------
Scott
10" LX200 Classic, Konus 200, Orion ST80, ETX90 OTA, 60mm Celestron alt-az, Obie 20x80's, Meade 10x50's




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BluewaterObserva
Postmaster


Reged: 05/18/04
Posts: 5748
Re: The Trffid imaged with an ETX 70AT new [Re: ArizonaScott]
      #137739 - 06/30/04 01:43 PM
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No kidding, I am salivating on getting started up again with astro imaging. great work with the ETX70.

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seeker372011
scholastic sledgehammer


Reged: 03/05/04
Posts: 993
Loc: Sydney , Australia
Re: The Trffid imaged with an ETX 70AT new [Re: ArizonaScott]
      #137949 - 06/30/04 07:19 PM
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Quote:

Are you posting them on Weasner's Mighty ETX Site?
Scott



Yes I have posted a couple of images there and will send this one also along to Mike

--------------------
ED 80 on ASCG5 mount;ED 127 on EQ6; QHY8,QHY2pro, 20 x 80 LW Obies;PST (spectrum 60);10 inch GSO dob;Astrotrac and Mini Borg 45ED

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mikeb57
Grand Pooh-Bah


Reged: 01/03/04
Posts: 1661
Loc: Central Maine, USA
Re: The Trffid imaged with an ETX 70AT new [Re: seeker372011]
      #138108 - 06/30/04 11:14 PM
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Awesome... simply amazing... Looks like I'll be doing some research soon...

--------------------
Mike B
Meade ETX-70EC
Homemade PowerTank

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Anonymous
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Re: The Trffid imaged with an ETX 70AT new [Re: mikeb57]
      #141931 - 07/06/04 04:20 PM
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Very nice!

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Anonymous
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Re: The Trffid imaged with an ETX 70AT new [Re: ]
      #148919 - 07/15/04 05:22 PM
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What kind of processing in photoshop did you do? Adjusting the levels/contrast?

I'm expecting an ETX-60 soon (got one off of Astromart) and am planning to try some wide field imaging with my Sony Mavica CD400 and a scopetronix adaptor.

What type of eyepiece are you using for your photos?

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seeker372011
scholastic sledgehammer


Reged: 03/05/04
Posts: 993
Loc: Sydney , Australia
Re: The Trffid imaged with an ETX 70AT new [Re: ]
      #149024 - 07/15/04 07:33 PM
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No eyepiece, I use the modified webcam instead of an eyepiece

For processing I applied a series of techniques-as described by Jerry Lodriguss in his site "Catching the Light"

http://www.astropix.com/HTML/J_DIGIT/DIGTECHS.HTM

Unfortunately I didnt keep track of the sequence of the steps I followed, but I did literally hours of processing.

--------------------
ED 80 on ASCG5 mount;ED 127 on EQ6; QHY8,QHY2pro, 20 x 80 LW Obies;PST (spectrum 60);10 inch GSO dob;Astrotrac and Mini Borg 45ED

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Anonymous
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Re: The Trffid imaged with an ETX 70AT new [Re: seeker372011]
      #149198 - 07/16/04 12:15 AM
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How do you acheive the focus without the eyepiece?

Any chance we could get your NEAT filter preset (*.nfp) file?

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seeker372011
scholastic sledgehammer


Reged: 03/05/04
Posts: 993
Loc: Sydney , Australia
Re: The Trffid imaged with an ETX 70AT new [Re: ]
      #149878 - 07/17/04 07:35 AM
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Quote:

How do you acheive the focus without the eyepiece?





The webcam is hooked up to the laptop or PC but still only with great difficulty!! Its a real pain getting the focus right -usually after star alignment I slew to a bright star or preferably an easy double, replace the eyepiece with the webcam and then try and get the best focus with the webcam while watching the preview window and the light meter on the laptop ( I use K3CCD in preview mode) first without long exposure and then in long exposure mode to try and get as good focus as possible

Re NEAT-I use the free demo version and just played around with the available options after doing an auto noise profile to get the best results so if I do have any presets it wasnt by design!

--------------------
ED 80 on ASCG5 mount;ED 127 on EQ6; QHY8,QHY2pro, 20 x 80 LW Obies;PST (spectrum 60);10 inch GSO dob;Astrotrac and Mini Borg 45ED

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Anonymous
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Re: The Trffid imaged with an ETX 70AT new [Re: seeker372011]
      #161257 - 08/02/04 03:39 AM
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Ya baby!

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