How to Observe Variable Stars

by Bob Nelson, Ph.D. (Prince George Centre)

The Equipment

 

 

Charts

 

At the Telescope

 

Estimating the Magnitude

 

 

Suggested Magnitudes

Instrument

Size

Stellar Magnitude Range

Binocular

7 x 35 mm 

2 - 8

 

7 x 50 mm

3 - 9

Telescope

6" (150 mm)

6 - 12

 

8" (200 mm)

7 - 13

 

10" (250 mm)

7.5 - 13.5

 

13" (330 mm)

8 - 14

 

Conclusion

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Last modified: 
Sunday, May 5, 2019 - 5:18pm