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rob pfile
Attended University of California, Berkeley
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rob pfile

Deep sky imaging  - 
 
m42 in hydrogen alpha
12x1200s, astrodon 5nm Ha filter
5x30, 60, 180s for core recovery
sbig stt-8300m, tmb92ss, trf-2008
effective focal length 400mm
mount: mach1 gto
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rob pfile

Amateur Astrophotography  - 
 
so this one is a composite of 3 images. the background was taken with a DSLR and AT6RC with a 0.8x reducer. the two galaxies were taken with an SBIG-8300M and an AT10RC. the galaxy images were registered to the wide image in pixinsight, then the Galaxies were merged in using GradientsMergeMosaic, overlaying the low res galaxies in the original image. unfortunately I clipped the background a little but there's no IFN visible anyway so it does not matter too much, although holmberg ix did suffer a little. 
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rob pfile's profile photoMatthew Wood's profile photo
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thanks - yeah they are pretty good performers for the price but they do have some shortcomings.
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rob pfile

Discussion  - 
 
here is M81 from a few weeks back. taken in bortle 8-9 skies. STT-8300M with astrodon g2e filters, AT10RC and G11/Gemini-II.
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rob pfile's profile photoRoy Salisbury's profile photo
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I used a DSLR and never had luck with it.  I then got a QHY9m about 18 months ago and really liked the chip.  When the STT came out with the 8 position filter wheel and OAG built in, I knew that was going to be my new camera.  And so far its performing better than I had hoped.
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rob pfile

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tonight's sunset...
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the moon on january 5 2012
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great analysis. very sad for this country.
michelle leonhart originally shared:
 
"...the Mayor of Oakland acknowledged that the Department of Homeland Security had participated in an 18-city mayor conference call advising mayors on "how to suppress" Occupy protests."
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Thanks for this info Rob. Quite disturbing but predicted.
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rob pfile

Deep sky imaging  - 
 
30+ hours on M101, red zone. STT-8300M + astrodon filters, AT10RC on a mach1gto.
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Christopher Madson's profile photo
 
Great job Rob. Looks fantastic!
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rob pfile

Amateur Astrophotography  - 
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rob pfile's profile photoPaul Stewart's profile photo
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+Paul Stewart thanks much
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You can't deny this is the best variation of this joke. 
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rob pfile

General Discussion  - 
 
thought I'd try posting this here. somehow my image was picture of the day today on astrobin. not sure if this is the best way to post an astrobin link. 
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barfing all over my new shoes
in the lot behind whole foods

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ggb from china beach. synthcam video stack, postprocessing in snapseed and camera+
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Sean Wilson's profile photorob pfile's profile photoAlan McNeil's profile photo
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Nice!
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People
In their circles
71 people
Have them in circles
74 people
Steve Seitz's profile photo
Thao Diep's profile photo
Jim Rowson's profile photo
Kurt Partridge's profile photo
Gary Hooper's profile photo
Work
Occupation
what do *you* do, ese?
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some guy
Introduction
this is a little about myself here so that others know they have found the right rob.
Bragging rights
survived 3 kids, have high school, etc.
Education
  • University of California, Berkeley
    BS EECS
  • University of Wisconsin-Madison
    MSCS
totally the best substation. fulfills all our electrical needs.
Public - 11 months ago
reviewed 11 months ago
1 review
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