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Charlie HeinAdministrator
Postmaster
*****

Reged: 11/02/03

Loc: 26.06.08N, +80.23.08W
Congrats to David Rosenthal - Sept's Finalist!
      #5452550 - 10/02/12 07:47 PM

We are very pleased and proud to present the September 2012 CCD Imaging Semi-Finalists in the Cloudy Nights Imaging/Sketching Contest.

Jared:



M27--The Dumbbell Nebula
Oakland, CA, 15-Sep-2012
4.8 NELM, 7/10 seeing

45 minutes luminosity (five minute subexposures); 15 min each RGB
Exposures binned 1x1
Calibration with darks, flats, and bias frames

SBIG STL-11000 camera with Astrodon TrueBalance filters (Gen II)
SBIG AO-L adaptive optics, 2s exposures
Planewave 12.5" CDK @ f/7
Astro-Physics 900 GTO mount



alpal:



M8 Lagoon Nebula.

Distance 4100 ly, Magnitude 6.
11th Sept. 2012.
Melbourne Australia - outer suburb.

3 x 3 minutes each of LRGB plus 10 minutes of Ha 7nm Baader.
All binned 1x1, darks, flats & bias frames applied.
Camera gain 5% & offset 100, Sensor Temp - 34.2 C.
Total 46 minutes of data.
Telescope 8" custom built Newt. f6, modified NEQ6 pro mount, QHY9 camera,
RCC coma corrector - ( not perfectly adjusted yet.)
Guided with TS9 OAG, PHD guiding & Lodestar guide camera,
used Ezycap for capturing subframes.
Stacked & aligned in DSS.
Photoshop CS5 & Fitswork4 for processing.
Cropped & rotated from original frame.

Large size 1.2 Mbyte here:
http://www.flickr.com/photos/24719437@N03/8019427244/sizes/h/in/photostream/

Thanks for looking.



Mike Wiles:



Date: August 26 & 27, 2012 and September 14, 2012
Location: Goodyear, Arizona & Happy Jack, Arizona
Telescope: Explore Scientific ED127CF Refractor - 127mm f/7.5 Carbon Fiber Triplet
Mount: Astro-Physics AP900GTO CP3
Camera: SBIG ST-8300m and SBIG FW8-8300 filter wheel
Guiding: SBIG ST-i Mono and SBIG OAG-8300 off-axis guider
Exposure: 7 hours (Ha: 7 x 30 min, OIII 7 x 30 min)
Capture: CCD AutoPilot v5, Maxim DL 5.18
Calibration & Processing: CCDStack 2, PixInsight 1.7, Photoshop CS5

Larger Size here



David Rosenthal:



Here is my entry for September.

Target : NGC7380 (The Wizard Nebula)
Dates : 9/17, 9/19 & 9/21/2012
Location: 20 miles outside New York City
Optics : Borg / Pentax 125SD @ f/4.6 [Oasis #7878]
Camera : SXVR-H18
Filters : AstroDon 5nm Ha, OIII, SII
Guiding : Off Axis, Gemini Direct, SX ExView Camera
Mount : Losmandy G11 Gemini I on an AP Wood Tripod
Exposure: R:G:B = SII:Ha:OIII = 10*1200:9*1200:8*1200
Software: MaximDL, Registar, PSCS5X64

1280 X 1024 Version
http://www.pbase.com/djrlx90/image/146201604/original



Please note that voting will conclude on October 8th at Midnight EST.

Many thanks to all who took part in the contest!

*
Which Image goes to the Finals?
Users may choose only one (30 total votes)
Jared
-
6 20%
alpal
-
7 23%
Mike Wiles
-
7 23%
David Rosenthal
-
10 33%


Edited by Charlie Hein (10/09/12 07:03 AM)


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alpal
Post Laureate


Reged: 06/15/09

Loc: Melbourne Australia.
Re: Congrats to David Rosenthal - Sept's Finalist! new [Re: Charlie Hein]
      #5463181 - 10/10/12 12:39 AM

Congratulations to David - you have showed the power
of narrow band imaging even from light polluted locations.
I think however that all of our 4 images were worthy contenders.

cheers
Allan


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Mike Wiles
scholastic sledgehammer


Reged: 02/04/09

Loc: Goodyear, AZ
Re: Congrats to David Rosenthal - Sept's Finalist! new [Re: alpal]
      #5463208 - 10/10/12 01:10 AM

I agree with Allan....all the images this month were solid. Well done David!!

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David Rosenthal
Imager Extraordinaire
*****

Reged: 06/23/06

Loc: NJ
Re: Congrats to David Rosenthal - Sept's Finalist! new [Re: Mike Wiles]
      #5463371 - 10/10/12 07:18 AM

Thanks Allan and Mike. I am real pleased to ha finally won one of these. It is especially satisfying when the competition is so stiff. All of the images were excellent this month!!!

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Jared
Post Laureate
*****

Reged: 10/11/05

Loc: Piedmont, California, U.S.
Re: Congrats to David Rosenthal - Sept's Finalist! new [Re: David Rosenthal]
      #5463562 - 10/10/12 10:31 AM

Well done, David!

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David Rosenthal
Imager Extraordinaire
*****

Reged: 06/23/06

Loc: NJ
Re: Congrats to David Rosenthal - Sept's Finalist! new [Re: Jared]
      #5463811 - 10/10/12 01:02 PM

Thanks Jared!!

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