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Comet prospects for 2017
These predictions focus on comets that are likely to be within range of visual observers, though comets often do not
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The 35th European Symposium on Occultation Projects (ESOP XXXV)
held at the University of Surrey, Guildford, UK on 2016 August 19-21 Amateur astronomers travelled from the Czech Republic, Germany,
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Chasing the Charioteer
Auriga, the Charioteer, is an excellent constellation riding high in the December sky. A nice easy asterism, a pentagon, with
Read moreSupernova 2012fr and the distance to NGC 1365
BVRI and unfiltered MicroObservatory CCD observations of SN 2012fr covering the first 100 days following its discovery are reported.
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Short paper: Polar alignment of the equatorial mount: how accurate must it be for trail-free astrophotography?
This paper develops and presents a rule of thumb as to how accurate the polar alignment of an equatorial mount must be, in order to avoid trailing stars in astrophotography.
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