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Wide Field and Long Focal Length Imaging Bernhard Hubl AIC 2012 Contents Location and equipment  Image acquisition  Calibration, registration and combine  Image processing  Examples  My observatory Source: Google Maps My observatory My northern sky Observatory Observatory in action Self-made 12” SBIG ST- Newtonian 2000XM 4” TeleVue NP101 AOK WAM650 DSLR or SBIG ST-8300C Source: Herbert Raab Contents Location and equipment  Image acquisition  Calibration, registration and combine  Image processing  Examples  Image Scale and Seeing Image Scale  • 12” Newtonian + ST-2000XM: 1.3”/px • NP101 + DSLR: 2.2”/px (Bayer) -> 3-4”/px (effective) Seeing at my location  • Typical: 2.4 – 3.2” • Excellent: 1.9 – 2.2” • Bad: 4 – 7” Conclusion:  • Wide Field nearly always productive • Newtonian: Lum < 2.6” / RGB < 4.0” Tip #1 Introduce clear seeing limits In my case:  • < 2.6” Lum • 2.6” – 4.0” RGB • 4.0” – 5.0” only wide field • > 5.0” go sleeping or go for a beer! Advantage:  • No waste of nights with good seeing for RGB • Reproducibility

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the telescope is not focused. • The direction of the star Camera and telescope build a unit (no rotation). • Note exact position . vdB 24 – NP101 + EOS 1000D

Lecture at AIC 2012 - Bernhard Hubl PDF

71 Pages·2012·13.12 MB·English

by Bernhard Hubl

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by Bernhard Hubl| 2012| 71 pages| 13.12| English

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the telescope is not focused. • The direction of the star Camera and telescope build a unit (no rotation). • Note exact position . vdB 24 – NP101 + EOS 1000D

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Author:	Bernhard Hubl
Publication Year:	2012
Pages:	71
Language:	English
File Size:	13.12
Format:	PDF
Price:	FREE

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