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Re: [APML] OT: 13.5 hours of Tricolor narrowband CED214 +NGC7822from150mm f/2.8 Pentax 6x7 camera lens and FLI CM10XME

Richard,
Very nice as usual! I don't recall seeing the small round nebula before.
Rob Gendler
email: robgendler@att.net
Web Site: http://www.robgendlerastropics.com
----- Original Message ----- 
From: "Stuart Heggie" <Stuart.J.Heggie@sympatico.ca>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Friday, August 26, 2005 7:13 PM
Subject: Re: [APML] OT: 13.5 hours of Tricolor narrowband CED214 +
NGC7822from150mm f/2.8 Pentax 6x7 camera lens and FLI CM10XME


Richard, that must be a faint one! I'm not real sure how the colour
assignments go (which filter is assigned to green I mean) but there is a lot
of faint green nebulosity down and right of the main nebula. Do you know
what causes that?

Stuart
  ----- Original Message ----- 
  From: Richard Crisp
  To: Discussion of Film Astrophotography
  Sent: Friday, August 26, 2005 11:11 AM
  Subject: [APML] OT: 13.5 hours of Tricolor narrowband CED214 + NGC7822
from150mm f/2.8 Pentax 6x7 camera lens and FLI CM10XME


  this is a faint one.

  you all probably remember the "question mark and the mysterians" image
from a couple of weeks ago. Well this is taken to its logical conclusion: I
added the [SII] to it.

  It has taken a lot of nights to accumulate 13.5 hours of exposure but
finally I got it finished last night.

  this is 7 x 30 minutes Halpha, 8 x 30 minutes [OIII] and 12 x 30 minutes
[SII]

  I still need to shoot some flats and will try to get them done tonight
when I get home from work.

  http://www.narrowbandimaging.com/ced214_ngc7822_cm10_150mm_s2hao3_page.htm



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