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Mark Fisher
1999-2008
61 Cygni
Proper Name
  None
Bayer Designation
  None
Flamsteed Number
  61 Cygni
BSC
  8085 (A)
  8086 (B)
HD
  201091 (A)
  201092 (B)
Constellation
  Cygnus
Right Ascension
  21h 06m 54s (A)
  21h 06m 55s (B)
Declination
  +38° 44' 58" (A)
  +38° 44' 31" (B)
Distance
  11 light years
  3.5 parsecs
Magnitude
  Apparent: +5.2 (A) +6.1 (B)
  Absolute: +7.5 (A) +8.3 (B)
Spectral Class
  K5 Orange Dwarf (A)
  K7 Orange Dwarf (B)
Optimum Visibility
  August/September
 The designation given to two nearby orange dwarf stars in the constellation of Cygnus. The stars have very similar properties, and lie less than a light year from one another. One (designated 61 Cygni A) is very slightly brighter than its companion 61 Cygni B: both lie on the threshold of naked-eye visibility.
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