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Blythe Guvenen Kitt Peak Visitor Center.  1-5 minute exposures  Noisier than dedicated astrophotography CCDs  Easier to use!  Equipment  Cable.

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Presentation on theme: "Blythe Guvenen Kitt Peak Visitor Center.  1-5 minute exposures  Noisier than dedicated astrophotography CCDs  Easier to use!  Equipment  Cable."— Presentation transcript:

1 Blythe Guvenen Kitt Peak Visitor Center

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3  1-5 minute exposures  Noisier than dedicated astrophotography CCDs  Easier to use!  Equipment  Cable release  Mirror lockup  Poor H-alpha sensitivity  Modified DLSRs are available

4  Wide-field shots Wide-field shots  DSLR camera  Any DSLR with a “bulb” setting  8mm to 300mm lens  Sturdy tripod  “Piggyback” to tracked telescope “Piggyback” to tracked telescope

5  Modified DSLR  Hutech modified camera Hutech modified camera  Canon 60da Canon 60da  GEM – German Equatorial Mounts  Losmandy GM-8; Orion Atlas EQ-G  Widefield refractor, Stellarvue, TeleVue, etc.  Meade SN-8 etc.

6  Mount: AP 1200GTO  Field computer, MaximDL  Observatory w/power  Takahashi Epsilon- 200

7  Losmandy G11  w/ Gemini GOTO  Celestron CGE, CGEM Pro  Mountain instruments  AP  Software Bisque Paramount ME & MX  Takahashi

8  Autoguiding?  Ensures round stars  Fishcamp  Starlight Express “Lodestar”  SBIG ST-4 & STV  Discontinued  SBIG SG-4

9  Wide-field  Short focal length  Refractor or Newtonian  Astrograph

10  TeleVue: 102is TeleVue: 102is  Stellarvue  Astro-Physics-$$$  TEC-140  APM  Takahashi FSQ-106  Meade

11  Schmidt-Cassegrain:  Long focal length, slow optical system, moving mirror – difficult to stabilize focus  Compact optical tube assemblies  Newtonian  Fixed mirrors, fast optical system, short exposures  Longer optical tube assemblies  RC  Flatter near the edge of the field of view  No corrector plate

12  Precision…but expensive: Feathertouch, Moonlight, Optec TCF-S, FLI, and “FocusMax”  Less expensive:  Hartmann mask  Stiletto focuser, knife edge

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