November 1999 Dark Sky Observing Time

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  14:23MS 16:58SS         18:38TE  0:55MR  5: 9TS          6:50SR          6:17VT 
11- 2  14:55MS 16:55SS         18:37TE  2: 1MR  5:10TS          6:52SR          7:24VT 
11- 3  15:23MS 16:55SS         18:36TE  3: 7MR  5:11TS          6:54SR          8:31VT 
11- 4  15:49MS 16:52SS         18:34TE  4:10MR  5:13TS          6:55SR          9:36VT 
11- 5  16:16MS 16:52SS         18:34TE          5:13TS  5:13MR  6:55SR         10:39VT 
11- 6  16:40MS 16:51SS         18:32TE          5:15TS  6:16MR  6:58SR         10:42VT 
11- 7          16:49SS 17: 7MS 18:31TE          5:16TS          6:58SR  7:16MR 10:45VT 
11- 8          16:47SS 17:37MS 18:31TE          5:18TS          7: 1SR  8:17MR 10:46VT 
11- 9          16:46SS 18:10MS 18:28TE          5:19TS          7: 1SR  9:15MR 10:50VT 
11-10          16:46SS         18:28TE 18:46MS  5:20TS          7: 4SR 10:10MR 10:34VT 
11-11          16:43SS         18:27TE 19:28MS  5:22TS          7: 4SR 11: 1MR  9:53VT 
11-12          16:43SS         18:25TE 20:16MS  5:22TS          7: 5SR 11:46MR  9: 6VT 
11-13          16:42SS         18:25TE 21: 7MS  5:24TS          7: 7SR          8:16VT 
11-14  12:26MR 16:40SS         18:23TE 22: 6MS  5:25TS          7: 9SR          7:18VT 
11-15  13: 4MR 16:40SS         18:23TE 23: 7MS  5:26TS          7:10SR          6:19VT 
11-16  13:37MR 16:38SS         18:22TE  0:10MS  5:28TS          7:11SR          5:17VT 
11-17  14: 7MR 16:37SS         18:22TE  1:17MS  5:28TS          7:13SR          4:11VT 
11-18  14:36MR 16:37SS         18:21TE  2:28MS  5:30TS          7:15SR          3: 1VT 
11-19  15: 4MR 16:36SS         18:19TE  3:40MS  5:31TS          7:16SR          1:50VT 
11-20  15:34MR 16:34SS         18:19TE  4:56MS  5:33TS          7:16SR          0:36VT 
11-21  16: 7MR 16:34SS         18:19TE          5:34TS  6:13MS  7:19SR          0: 0VT 
11-22          16:34SS 16:45MR 18:17TE          5:34TS          7:19SR  7:33MS  0: 0VT 
11-23          16:32SS 17:28MR 18:17TE          5:35TS          7:20SR  8:48MS  0: 0VT 
11-24          16:31SS         18:16TE 18:19MR  5:37TS          7:22SR  9:56MS  0: 2VT 
11-25          16:31SS         18:16TE 19:19MR  5:37TS          7:24SR 10:56MS  1: 2VT 
11-26          16:31SS         18:16TE 20:27MR  5:40TS          7:25SR 11:46MS  2:10VT 
11-27          16:30SS         18:16TE 21:36MR  5:40TS          7:25SR          3:19VT 
11-28  12:26MS 16:30SS         18:15TE 22:46MR  5:41TS          7:26SR          4:31VT 
11-29  13: 1MS 16:28SS         18:15TE 23:53MR  5:43TS          7:28SR          5:38VT 
11-30  13:30MS 16:28SS         18:15TE  1: 0MR  5:43TS          7:30SR          6:45VT 

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.