RE: [digital_astro] Pleiades Mosaic

From: warpcorp (warpcorp_at_antispamdomain.not)
Date: Wed Oct 08 2003 - 01:53:56 EDT


Fabulous!

Where can I find this technique described by Rob Gendler? Wish I could
afford ImagesPlus - but right now the well is dry!

Please email me directly at warpcorp_.at._swbell.net

Thanks in advance!

Warp
d. sherfy
  -----Original Message-----
  From: sc02492 [mailto:sc02492_.at._yahoo.com]
  Sent: Tuesday, October 07, 2003 9:08 PM
  To: digital_astro_.at._yahoogroups.com
  Subject: [digital_astro] Pleiades Mosaic

  Hi group,

  Here's a mosaic of M45 that I've been working on:

  http://www.starrywonders.com/pleiadessmall.jpg

  A higher resolution image can be found at:

  http://www.starrywonders.com/pleiadeslarge.jpg

  This represents a total of 30 frames requiring about 3.5 hours of
  exposure, taken with the Canon 10D at ISO1600 (6 to 9 minutes per
  exposure), through the LX90 at f6.3, autoguided with the STV/e-
  finder. The mosaic was made with a total of 6 different sections of
  M45 (each section is an average stack of 5 frames). The frames for
  each section were processed as follows: raw conversion, adaptive
  dark frame calibration, alignment, autograding, min/max excluded
  averaging, and background compensation done in ImagesPlus; levels
  and curves adjustment in Photoshop; final smoothing done in Pleiades
  SGBNR software. Mosaic was constructed in Photoshop using the
  technique described by Rob Gendler. Total processing time was
  approximately 20 hours over a period of 3 days.

  This was my most challenging processing effort yet. Hope you like
  it.

  Steve Cannistra

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