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

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