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D-1

Appendix D

SAMPLE DATA ENTRY FORM

The sample report form printed on the next page is useful for recording data when using the

differential photometry technique. Basically, this method is to compare the brightness of the

variable star to that of a nearby comparison star, which is known to have no variability. No

attempt is made here to educate the user in all aspects of proper observing procedure and the

associated data reduction. A number of texts about astronomical photometry are available which

describe the proper methodology.

Figure D-1 shows a sample observing report for the night of September 18-19, 2001.

VAR..___NOVA__________________

DOUBLE DATE ___MARCH 14-15, 2002__

COMP.____ HD 182618________________

PAGE ______ OF ______

OBSERVER __J.P. ____________________

___________________________________________

____________________

___________________________________________

___________________________________ __

________________

NOTES ______________________________

TELESCOPE ___MEADE 10” f/10 LX-200_____

_____________________________________

CONDITIONS_____GOOD_____________________

_____________________________________

STAR

FILTER

SCALE

TIME

COUNT

SKY

COMMENTS

1::21

COMP

894

402

891

402

594

401

1:24

NOVA

509

507

510

1.:29

COMP

881

880

877

Figure D-1. Sample Data Entry Using the Report Form.

1 2 ... 29 30 31 32 33 34 35

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