The dark sky table shows the Pacific Standard Time (PST) times for sunset, astronomical twilight ends, astronomical twilight starts, sunrise, moonrise, moonset and total moon-free, twilight-free viewing time for Portland, Oregon, U.S.A. (Longitude: West 122.68 degrees & Latitude: North 45.52 degrees). Moon-free, twilight-free viewing time is the best time to observer deep sky objects because the moon light and twilight will not interfere with observing these faint objects.

Format:  ##:##SS = Sunset     ##:##TE = Twilight Ends    ##:##MR = Moonrise             
         ##:##SR = Sun Rise   ##:##TS = Twilight Starts  ##:##MS = Moonset
         ##:##VT = Moon-free, Twilight-free Viewing Time                  

Date            Sunset        Twilight Ends    Twilight Starts  Sun Rise  Viewing Time

11- 1  13:43MS 16:57SS         18:38TE 23:17MR  5: 9TS          6:50SR          4:38VT 
11- 2  14: 7MS 16:55SS         18:37TE  0:30MR  5:10TS          6:52SR          5:52VT 
11- 3  14:25MS 16:55SS         18:36TE  1:37MR  5:11TS          6:54SR          7: 0VT 
11- 4  14:43MS 16:52SS         18:34TE  2:43MR  5:13TS          6:55SR          8: 8VT 
11- 5  14:58MS 16:52SS         18:34TE  3:46MR  5:13TS          6:56SR          9:12VT 
11- 6  15:15MS 16:51SS         18:32TE  4:52MR  5:16TS          6:58SR         10:19VT 
11- 7  15:31MS 16:49SS         18:31TE          5:16TS  5:56MR  6:58SR         10:45VT 
11- 8  15:53MS 16:47SS         18:30TE          5:18TS          7: 1SR  7: 3MR 10:48VT 
11- 9  16:15MS 16:46SS         18:28TE          5:19TS          7: 1SR  8: 8MR 10:50VT 
11-10  16:43MS 16:46SS         18:28TE          5:20TS          7: 4SR  9:14MR 10:52VT 
11-11          16:43SS 17:19MS 18:27TE          5:22TS          7: 4SR 10:13MR 10:54VT 
11-12          16:43SS 18: 7MS 18:25TE          5:22TS          7: 5SR 11: 4MR 10:57VT 
11-13          16:42SS         18:25TE 19: 2MS  5:24TS          7: 7SR 11:46MR 10:21VT 
11-14          16:40SS         18:23TE 20: 7MS  5:25TS          7: 9SR          9:18VT 
11-15  12:22MR 16:40SS         18:22TE 21:16MS  5:26TS          7:10SR          8:10VT 
11-16  12:49MR 16:38SS         18:22TE 22:28MS  5:28TS          7:11SR          6:59VT 
11-17  13:11MR 16:37SS         18:22TE 23:43MS  5:28TS          7:13SR          5:45VT 
11-18  13:33MR 16:37SS         18:21TE  0:57MS  5:30TS          7:15SR          4:31VT 
11-19  13:52MR 16:36SS         18:19TE  2:15MS  5:31TS          7:16SR          3:16VT 
11-20  14:11MR 16:34SS         18:19TE  3:34MS  5:33TS          7:16SR          1:58VT 
11-21  14:34MR 16:34SS         18:19TE  4:58MS  5:34TS          7:19SR          0:35VT 
11-22  15: 0MR 16:34SS         18:17TE          5:34TS  6:25MS  7:19SR          0: 0VT 
11-23  15:33MR 16:32SS         18:17TE          5:35TS          7:20SR  7:52MS  0: 0VT 
11-24  16:16MR 16:31SS         18:16TE          5:37TS          7:22SR  9:11MS  0: 0VT 
11-25          16:31SS 17:15MR 18:16TE          5:39TS          7:24SR 10:16MS  0: 0VT 
11-26          16:31SS         18:16TE 18:25MR  5:40TS          7:25SR 11: 6MS  0: 9VT 
11-27          16:30SS         18:16TE 19:43MR  5:40TS          7:25SR 11:41MS  1:26VT 
11-28          16:30SS         18:15TE 21: 1MR  5:41TS          7:28SR          2:46VT 
11-29  12: 8MS 16:28SS         18:15TE 22:16MR  5:43TS          7:28SR          4: 1VT 
11-30  12:30MS 16:28SS         18:15TE 23:27MR  5:43TS          7:30SR          5:12VT 

This Dark Sky table may print better in landscape orientation. Also, when printing using Netscape check the Black Text option in the File menu, Page Setup... menu in order to print the white text. This Dark Sky table was created by Dave Heider's Dark Sky DOS program. Download the Dark Sky DOS program to create your own unique Dark Sky tables for your location and time of observing.

© 1998-2003 David Haworth