Digital SLR Astrophotography: Practical Amateur Astronomy Michael A
Cambridge University Press 978-0-521-70081-8 - Digital SLR Astrophotography: Practical Amateur Astronomy Michael A. Covington Index More information Index aberration video 202–206, 203, 204 lens 58, 114,115 RegiStax 205, 206 spherical 73–74, 77 asymmetric triplet lens 85 accuracy, subpixel 110 atmosphere, refraction 106 adapters aurora borealis 42 camera–telescope 53, 53, 54–55, 55 auto exposure 6, 35, 39 lens mount 80–81 auto power setting 35 M42 82–84, 83 auto rotate setting 33 quality 81–82 autofocus 28,76 afocal coupling 32, 51, 52, 199 see also lenses, autofocus Moon photography 39–40, 41, 42 autoguiders 108–110 aggressiveness, autoguider 110 average (mean), image combining 179 airplane trails 16, 180 alignment B+W 091 filter 141 image processing 154–155 balance polar 99, 103, 104, 105 color 28 drift method 104–105, 105 white 28 alpha channel see layer masking Barlow lens 52, 57, 86,87 Altair star field 18 batteries altazimuth telescope mounts 44–45, 99, 100, lead–acid 116–117 101, 110–115, 112, 113 lithium-ion 117 amplifier glow 132, 132, 147 Bayer matrix 22–23, 22, 153 analog-to-digital units 130 see also de-Bayerization Ang´enieux Retrofocus lens 85 bias 131 anti-reflection coating 84, 87 bias frames 146, 147, 183, 185 aperture 56 binning 133 manual control 26, 27 bit depth 165 APS-C format 19, 59, 62, 63, 71, 71, 72 BlackFrame NR 164 APS-H format 19 blooming 132 asteroid movement, Photoshop 183, 184 blur 73 astronomy deconvolution 175–176, 176 image processing techniques 178–195 see also bokeh 209 © in this web service Cambridge University Press www.cambridge.org Cambridge University Press 978-0-521-70081-8 - Digital SLR Astrophotography: Practical Amateur Astronomy Michael A.
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