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

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