BinoSky - best bets for stargazing with binoculars
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The Double Cluster in Perseus, NGC869 and 884
A map of the star field. Magnitudes are given without a decimal point, e.g. 67 is to be interpreted as magnitude 6.7.

How to Find It
Between Cassiopeia and the head of Perseus.

Comments
Double the viewing pleasure in one field of view.

60-degree field of view

Data for the Double Cluster as a whole
RA 02 21
dec +57 08
integrated magnitude 3.5
Data for NGC869 (Janes, Duke, and Lynga, 1987)
RA 02 19
dec +57 09
total V magnitude 5.3
NGC number 869
Trumpler class I 3 r
angular diameter 18'
distance 2200 pc
age (Myr) 18
integrated B-V .44
observed stars 317
earliest sp. class B0
brightest star 7.0

Data for NGC884 (Janes, Duke, and Lynga, 1987)
RA 02 22
dec +57 07
total V magnitude
NGC number 884
Trumpler class I 3 r
angular diameter 18'
distance 2200 pc
age (Myr) 3.2
integrated B-V .48
observed stars 303
earliest sp. class B0
brightest star 7.0


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(c) Copyright 1998 Benjamin Crowell. All right reserved.
Photos from the Digitized Sky Survey, stdatu.stsci.edu/dss/dss_form.html
Sky maps created by Your Sky, www.fourmilab.com