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

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