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  15:49MS 16:57SS         18:38TE  3:49MR  5: 9TS          6:50SR          9:10VT 
11- 2  16:13MS 16:55SS         18:37TE          5:10TS  5:10MR  6:52SR         10:33VT 
11- 3  16:37MS 16:53SS         18:36TE          5:11TS  6:34MR  6:54SR         10:35VT 
11- 4          16:52SS 17: 6MS 18:34TE          5:13TS          6:55SR  7:58MR 10:38VT 
11- 5          16:52SS 17:37MS 18:34TE          5:15TS          6:56SR  9:18MR 10:40VT 
11- 6          16:49SS 18:17MS 18:31TE          5:16TS          6:58SR 10:34MR 10:44VT 
11- 7          16:49SS         18:31TE 19: 6MS  5:16TS          7: 0SR 11:40MR 10:10VT 
11- 8          16:47SS         18:30TE 20: 2MS  5:18TS          7: 1SR          9:15VT 
11- 9  12:34MR 16:46SS         18:28TE 21: 7MS  5:19TS          7: 3SR          8:12VT 
11-10  13:16MR 16:45SS         18:28TE 22:15MS  5:20TS          7: 4SR          7: 5VT 
11-11  13:48MR 16:43SS         18:27TE 23:22MS  5:22TS          7: 4SR          5:59VT 
11-12  14:13MR 16:43SS         18:25TE  0:28MS  5:22TS          7: 7SR          4:54VT 
11-13  14:36MR 16:42SS         18:25TE  1:32MS  5:25TS          7: 7SR          3:52VT 
11-14  14:55MR 16:40SS         18:23TE  2:34MS  5:25TS          7: 9SR          2:50VT 
11-15  15:13MR 16:40SS         18:22TE  3:37MS  5:26TS          7:10SR          1:49VT 
11-16  15:31MR 16:38SS         18:22TE  4:40MS  5:28TS          7:11SR          0:48VT 
11-17  15:52MR 16:37SS         18:22TE          5:28TS  5:43MS  7:13SR          0: 0VT 
11-18  16:12MR 16:37SS         18:21TE          5:31TS  6:48MS  7:15SR          0: 0VT 
11-19          16:36SS 16:36MR 18:19TE          5:31TS          7:16SR  7:54MS  0: 0VT 
11-20          16:34SS 17: 6MR 18:19TE          5:33TS          7:18SR  9: 0MS  0: 0VT 
11-21          16:34SS 17:43MR 18:19TE          5:34TS          7:19SR 10: 1MS  0: 0VT 
11-22          16:32SS         18:17TE 18:28MR  5:34TS          7:19SR 10:58MS  0:10VT 
11-23          16:32SS         18:17TE 19:25MR  5:37TS          7:22SR 11:46MS  1: 7VT 
11-24          16:31SS         18:16TE 20:28MR  5:37TS          7:22SR          2:11VT 
11-25  12:26MS 16:31SS         18:16TE 21:40MR  5:39TS          7:24SR          3:23VT 
11-26  13: 0MS 16:31SS         18:16TE 22:55MR  5:40TS          7:25SR          4:38VT 
11-27  13:28MS 16:30SS         18:16TE  0:10MR  5:40TS          7:26SR          5:53VT 
11-28  13:52MS 16:30SS         18:15TE  1:27MR  5:41TS          7:28SR          7:11VT 
11-29  14:15MS 16:28SS         18:15TE  2:45MR  5:43TS          7:28SR          8:30VT 
11-30  14:37MS 16:28SS         18:13TE  4: 4MR  5:43TS          7:30SR          9:51VT 

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