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Time Travel Research Center
© 2005 Cetin BAL - GSM:+90 05366063183 -
Turkey / Denizli
Spiral Galaxy NGC 891
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Technical Details
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Optics: |
14" f/10 RCOS Ritchey-Chrétien
Cassegrain at f/7,Takahashi FRC-300 focal reducer. |
Mount: |
Astro-Physics AP1200GTO. |
Camera: |
SBIG ST-10XME, CFW-8. |
Filters: |
SBIG Standard LRGB. |
Dates/Times: |
21, 24 November 2003. |
Location: |
my backyard observatory in
Austin, Texas. |
Exposure Details: |
LRGB = 180:30:30:60 minutes (5-minute
sub-exposures). |
Processing: |
MaxImDL (combine), CCDSharp (deconvolution),
Photoshop (levels, curves, etc.), ImagesPlus (deconvolution,
smoothing). |
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