Some variable stars visible without a telescope

Name
RA (hrs min)
Dec (°   ')
Max. mag.
Min. mag.
Period (days)
Type
g Cassiopeiae
00 54
+60 27
1.6
3.0
3.0
Irregular
s Ceti
02 17
-03 12
2.0*
10.1
331.48
Long period star
b Persei
03 05
+40 46
2.2
3.5
2.8673
Eclipsing binary of Algol type
a Orionis
05 53
+07 24
0.4
1.3
2070
Semi-regular
a Herculis
17 12
+14 27
3.0
4.0
100
Semi-regular
b Lyrae
18 48
+33 18
3.4
4.3
12.9080
Type star of Lyrae class of variable
m Cephei
21 42
+58 33
3.6
5.1
-
Semi-regular
d Cephei
22 27
+58 10
3.9
5.0
5.3663
Type star of Cepheid class of variable
r Cassiopeiae
23 52
+57 13
4.1
6.2
-
Irregular
*Telescope required at maximum magnitude
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