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Observing Programme

Stars marked in BLUE are new additions to the programme

Eclipsing Binaries (types EA & EB)

 

Star	RA	Dec	Range	Type	Period(s)
U Herculis	17 17.3	+33 06	4.6-5.3	EB	2.051d
Beta Lyrae	18 50.1	+33 22	3.4-4.2	EB	12.914d
Beta Persei	03 08.2	+40 57	2.1-3.4	EA	2.867d
Epsilon Aurigae	05 01.5	+43 49	3.0-3.8	EA	27.1y
Lambda Tauri	04 00.4	+12 29	3.3-3.9	EA	3.9d
Zeta Aurigae	05 02.2	+41 04	3.7-3.9	EA	972.6

 

Cepheid Variables

 

Star	RA	Dec	Range	Type	Period(s)
Eta Aquilae	19h52.5m	+01o00′	3.5-4.3	Cep	7.177d
Delta Cephei	22 29.2	+58 25	3.4-4.3	Cep	5.366d
Zeta Geminorum	07 04.1	+20 34	3.7-4.2	Cep	10.150d

 

Irregular & Semi Irregular Variables

 

Star	RA	Dec	Range	Type	Period(s)
Mu Cephei	21 43.5	+58 47	3.6-5.1	SR	750d,12yr
Eta Geminorum	06 14.9	+22 30	3.0-3.9	SR+E	233d,8yr
Alpha Herculis	17 14.6	+14 23	3.0-4.0	SR	100d,6yr?
R Lyrae	18 55.3	+43 57	3.9-5.0	SR	46d??
Alpha Orionis	05 55.2	+07 24	0.4-1.3	SR	1600d?
Beta Pegasi	23 03.8	+28 05	2.3-2.8	Irr
Rho Persei	03 05.2	+38 50	3.3-4.0	SR	50d??

 

Miscellaneous Variables

 

Star	RA	Dec	Range	Type	Period(s)
Gamma Cassiopeiae	00 56.7	+60 43	1.6-3.0	GC
R Cor Borealis	15 48.6	+28 09	5.8-15	RCB
R Scuti	18 47.5	-05 42	4.5-8.3	RVTau	142d
P Cygni	20 17.4	+38 01	4.6-5.6	SDOR

 

Suspected Variables

 

Star	RA	Dec	Range	Type	Period(s)
Delta Uma	12 15.2	+57 01	??
Beta Leonis	11 49.0	+14 34	??

 

Please take a look at the Variable stars listed Telescopic and Binocular programme as many of the Mira type stars listed in this section can also be observed with the naked eye when they are at their maximum.

SPA VSS Programme – Binocular & Telescopic

Eclipsing Binaries (types EA & EB)

 

Star	RA	Dec	Range	Type	Period(s)
RZ Cassiopeiae	02 48.9	+69 38	6.4-7.8	EA	1.195d
U Cephei	01 02.3	+81 53	6.6-9.3	EA	2.493d

 

Irregular & Semi Irregular Variables

 

Star	RA	Dec	Range	Type	Period(s)
Z Uma	11 56.3	+57 52	6.2-9.4	Semi	195.5d
RS Aurigae	06 03.5	+46 17	10.8-12.5	Semi	170.5d
RW Boo	14 41.2	+31 34	7.4-8.9	Semi	209d
Rho Cas	23 54.2	+57 29	4.1-6.2	Semi	320d

 

Miscellaneous Variables

 

Star	RA	Dec	Range	Type	Period(s)
U CrB	15 18.1	+31 39	7.7-8.8	EA	3.45d
FU Ori	05 45.2	+09 04	9.6-16.5	FU ?

 

Mira Type variables:

The ranges given in brackets for these Mira Type variables are the mean ranges.

The other ranges given are extreme ranges. Please note that these stars can also bee seen with the naked eye when they are at their maximum.

 

Star	RA	Dec	Range	Type	Period(s)
S UMa	12 43.5	+61 05	7.1-12.7	M	225.87d
T Uma	12 36.2	+59 29	6.6-13.5	M	256.6d
RR Aurigae	06 12.0	+43 09	8.2-15.0	M	307.8d
R Leonis			4.8-11.0	M	312d
T Cephei	21 09.5	+68 29	5.4-11.0	M	389d
			(6.0-10.3)
Omicron Ceti	02 19.3	-02 59	1.7-10.1	M	332d
			(3.6-9.3)
Chi Cygni	19 50.6	+32 55	3.4-14.2	M	407d
			(5.2-13.4)
U Orionis	05 55.8	+20 10	5.3-12.6	M	372d
			(6.3-12.0)
R Serpentis	15 50.7	+15 08	5.7-14.4	M	357d
			(6.9-13.4)
R Trianguli	02 37.0	+34 16	5.4-12.0	M	266d
			(6.2-11.7)
R Ursae Majoris	10 44.6	+68 47	6.7-13.4	M	302d
			(7.5-13.0)