UW ASTR 480 - Study Notes (2 pages)

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Study Notes



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Study Notes

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Pages:
2
School:
University of Washington
Course:
Astr 480 - Astro Data Analys

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Model Manufacturer SBIG standard A WING OBSERVATORY FILTER LIST University of Washington Name Central wavelength Comments Use Bandpass U SBIG standard B SBIG standard V SBIG standard R SBIG standard I SBIG standard Clear Custom Scientific Bessel U Band Custom Scientific Bessel B Band Custom Scientific Bessel V Band Custom Scientific Bessel R Band Custom Scientific Bessel I Band Sirius Optics Nebular Filter 4887 SBIG H alpha 565 3 nm 3 0 nm too narrow for us SBIG O III 500 7 nm 3 0 nm too narrow for us Lumicon Deep Sky Orion Ultrablock skyglow H beta 93 O III 496 92 O III 501 93 H alpha 96 480 520 nm 4 20 09 filter list doc 1 Model Manufacturer Meade 4000 Name Central wavelength Bandpass No 12 Meade 4000 No 23A Meade 4000 No 58 Meade 4000 No 80A SBIG red continuum 645 nm 10 nm SBIG green continuum 510 nm 10 nm Orion Variable Polarizer 1 40 Comments Use 74 transmission Contrasts strongly with blue colored features on Jupiter and Saturn while enhancing red and orange features Lightens red orange features on Mars while reducing or blocking the transmission and thereby increasing the contrast of blue green areas Useful in increasing the contrast of lunar features in telescopes 6 aperture and larger 25 transmission On telescopes of 6 aperture and larger the 23A does approximately the same functions as the 21 filter but with stronger contrast and enhancement of marginally defined blue green surface detail Useful primarily on Jupiter Saturn and Mars Increases contrast between Mercury and bright blue sky during daylight observations or during twilight 24 transmission Use on telescopes 8 aperture and larger to reject blue and red toned structures on the surface of Jupiter and thereby increase their contrast relative to lighter parts of the disc Also use for the enhancement of Saturn s cloud belts and polar regions Strongly increases contrast of Mars polar ice caps and increases contrast of atmospheric phenomena on Venus 30 transmission A popular filter for the study of



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