Astronomy Project

Liz Gideon

Sunset Project

The sunset photos are in order from left to right. The first one begins on March 2nd, 2015

and ends with the last photo taken on April 13th, 2015. The photos were taken from Cherry Creek

Mall’s west parking garage on the third floor.

Sunset 1

True West

Sunset 2

Sunset 3

Sunset 4

Sunset 5

Sunset 6

Sunset 7

Sunset 8

Sunset 9

Observation

Observation Table of Sunrise and Sunset Times

Sunrise

Sunset

1

2

3

4

5

6

7

8

9

6:27 AM

6:24 AM

7:20 AM

7:15 AM

7:07 AM

7:02 AM

6:48 AM

6:41 AM

6:26 AM

Day Length

5:56 PM

5:58 PM

7:00 PM

7:05 PM

7:10 PM

7:13 PM

7:22 PM

7:26 PM

7:36 PM

11 hours, 28 Minutes

11 Hours, 30 Minutes

11 hours, 41 Minutes

11 Hours, 49 Minutes

12 hours, 2 Minutes

12 Hours, 10 Minutes

12 Hours, 34 Minutes

12 Hours, 44 Minutes

13 Hours, 10 Minutes

True west is marked by the pine tree, furthest to the right, in the photographs, which isn’t present in

every shot. The angle in the table below is measured in centimeters from the light post to where the

sun is setting.

My picture scale is 1 centimeter= 10 degrees

Observation

Date

Days Between

1

3/2/2015

0 Days

2

3/7/2015

5 Days

Degrees from

West

40 Degrees

South

35 Degrees

South

Angle

Rate of Change

10 Degrees

First day of

Observation

15 Degrees/5

Days= 3

Degrees/ Days

15 Degrees

3

3/10/2015

3 Days

32.5 Degrees

South

20 Degrees

4

3/13/2015

3 Days

30 Degrees

South

25 Degrees

5

3/17/2015

4 Days

20 Degrees

South

27.5 Degrees

6

3/21/2015

4 Days

15 Degrees

South

30 Degrees

7

3/30/215

9 Days

10 Degrees

South

30 Degrees

8

4/3/2015

4 Days

5 Degrees

South

35 Degrees

9

4/13/2015

10 Days

Last day of

observation,

sun is 5

degrees north

of true west.

45 Degrees

20 Degrees/ 3

Days= 6.67

Degrees/ Days

25 Degrees/ 3

Days= 8.33

Degrees/ Days...