DOBSONIAN ASTROPHOTOGRAPHY
  Q0957+561 A/B
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Q0957+561 A/B
 

Telescope:  Obsession

Mirror:         25" f/5 GalaxyOptics

Drive:           AZ/ALT, StellarCAT ServoCAT with DSC Argo Navis

Camera Equipment:   ST-10XME Class 2 CCD, CFW-8A, AO-7, Pyxis Field De-Rotator, TCF-S

Exposure:    Single 30 minute.

Field Rotation Rate:  Approximately -11 degrees/hour.

Processing:   CCDSoft Version 5 (hot and cold pixel repair, DDP), Photoshop 5.0 (Levels, Unsharp Mask)

Location:   My backyard in Ridgecrest, CA (Mojave Desert), 2600 ft. elevation, population 30,000

Date:         6/03//05

Comments:   Gravitation Lens Quasar.  Saw an article on Pg. 108 of the July 2005 issue of Sky & Telescope magazine and decided to try and see if I could image a quasar through a general relativistic gravitational lens.  Both A and B are the same quasar!