Abstract
As this is the start of the month, it will be useful to ‘look round’ and see which stars are on view. Fortunately, in the evening sky northern-hemisphere observers have both their main guides, Ursa Major and Orion. Ursa Major is in the north-east, with the Bear ‘standing on its tail’; the W Cassiopeia is in the north-west, about the same distance from the Pole Star. The Square of Pegasus is disappearing in the west, and will not be well seen again until autumn. The brilliant yellow Capella is almost overhead—which means that the equally brilliant Vega is very low over the northern horizon, even though from the latitude of the British Isles it never actually sets. Arcturus, actually the most brilliant star in the northern hemisphere of the sky, is starting to appear in the east. The Milky Way is beautifully displayed, running from the southern horizon past Orion, Cassiopeia and Capella down to the northern horizon.
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- 1.
Obviously the dates presented here are now long past, and the opposition of Jupiter, for 2015, is on February 6th. However, the science remains the same, so the explanation is still valid. The dates for Jupiter’s opposition are now February 6th 2015, March 8th 2016, April 7th 2017, May 9th 2018, June 10th 2019, and July 14th 2020.
- 2.
There is considerable debate about its distance. Some researchers give a distance around 1700 light years, whilst others quote a value of about 7500 light years. Quite a disparity.
- 3.
Research and records pointed to a solar maximum around 2010/2011, that was expected to be quite a strong one. However, this was not to be, as the maximum didn’t really arrive until 2014, and even then was a very weak one. Latest research suggest that future maximums will continue to be weak.
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© 2015 Springer International Publishing Switzerland
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Inglis, M. (2015). February. In: Inglis, M. (eds) Patrick Moore’s Observer’s Year: 366 Nights of the Universe. The Patrick Moore Practical Astronomy Series. Springer, Cham. https://doi.org/10.1007/978-3-319-18678-8_2
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DOI: https://doi.org/10.1007/978-3-319-18678-8_2
Publisher Name: Springer, Cham
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