RGO Archives/RGO 45 contains:
<-- See earlier
273	Script for 'The Night Sky in April'
274	Script for 'The Night Sky in May'
275	Script for 'The Night Sky in June'
276	Script for 'The Night Sky in July'
277	Script for 'The Night Sky in August'
278	Script for 'The Night Sky in September'
279	Number unassigned
280	Script for 'The Night Sky in November'
281	Script for 'The Night Sky in December'
282	Number unassigned
283	Number unassigned
See later -->

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Papers of John Guy Porter

Title	Script for 'The Night Sky in September'
Reference	RGO 45/278
Covering Dates	Sep. 1953
Extent and Medium	5 pages

Content and context

A copy of Porter's script for 'The Night Sky in September' on street lights spoiling the night sky; the Harvest Moon and an explanation of this phenomenon; Jupiter below Auriga, Venus as morning star, and Mars near Regulus; the difficulties of making a good star map, projections and Flamsteed's conical projection; the Bonner Durchmusterung, the photographic star survey started in 1887 and the Mount Palomar survey; and the new star map in the 'Radio Times' using Mercator's projection.

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