Similarly, many a young man, hearing for the first time of the refraction of stellar light, has thought that doubt was cast on the whole of astronomy, whereas nothing is required but an easily effected and unimportant correction to put everything right again.

/ Ernst Mach /

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Struve 2878 (Binary star) Right ascension: 22h 14m Declination: 7° 59' Constellation: Pegasus Date/time: 2009.09.16 23:30 UT Equipment: 12" f/5 Newtonian FoV: 12' Magnification and filter(s): 250x Seeing: 6/10 Transparency: 3/5 Location: Nádasdladány, Hungary Observer: Ferenc Lovró Description: A: white, 7m. B: a bit bluish, 8.1m. C: 10m. D: 11m. A-B does not split until 250x is used, but perhaps better seeing or greater magnification is required. A-B: 1.4", PA: 120°. A-C: 1', PA: 120°. A-D: 2', PA: 270°. Hi-resolution image: [ reversed sketch | original sketch ]

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