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2012 Handbook cover picture
Saturn's great white spot of 2011. Image taken on 2011 March 21 00:10 UT by Damian Peach using a 356mm reflector and PGR Flea3 camera from Selsey, UK. Processed with Registax and Photoshop.
2011 Handbook cover picture
Solar prominence imaged on 2010 April 13 by Andrew Devey. DMK21 monochrome camera and Coronado 90mm Hα Maxiscope on EQ6 mount. Composite of 3 images processed in Registax 5, compiled and coloured in Adobe Photoshop.
2010 Handbook cover picture
M101 imaged in June 2008 by Andrea Tasselli from Lincoln, UK. Intes-Micro M809 8 inch (203mm) f/10 Maksutov-Cassegrain with Starlight Xpress SXV-H9 CCD and Astronomik filter set.
Errata
Previously in the Handbook
Data which do not change substantially from year to year are shown here.
- Bright galaxies
- Active galaxies
- Sun, Moon & planets (physical data)
- Orbital elements for the major planets
- Planetary satellites (physical & orbital data)
- Radio time signals
- Conversion formulae
(includes Telescope data and Greek alphabet) - Astronomical & physical constants
- Miscellaneous data
