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

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