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

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