October 1999 Dark Sky Observing Time

The dark sky table shows the Pacific Daylight Saving Time (PDT) times and 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

10- 1  14:16MS 18:51SS         20:31TE 23:43MR  5:28TS          7: 9SR          3:11VT 
10- 2  15:13MS 18:49SS         20:28TE  0:43MR  5:30TS          7:10SR          4:15VT 
10- 3  16: 4MS 18:46SS         20:27TE  1:49MR  5:31TS          7:11SR          5:22VT 
10- 4  16:42MS 18:45SS         20:25TE  2:57MR  5:33TS          7:13SR          6:31VT 
10- 5  17:21MS 18:43SS         20:23TE  4: 4MR  5:34TS          7:13SR          7:40VT 
10- 6  17:52MS 18:42SS         20:22TE  5:10MR  5:34TS          7:16SR          8:48VT 
10- 7  18:19MS 18:40SS         20:19TE          5:37TS  6:16MR  7:16SR          9:17VT 
10- 8          18:37SS 18:46MS 20:17TE          5:37TS          7:18SR  7:20MR  9:20VT 
10- 9          18:36SS 19:12MS 20:16TE          5:39TS          7:19SR  8:23MR  9:22VT 
10-10          18:34SS 19:37MS 20:13TE          5:40TS          7:20SR  9:25MR  9:27VT 
10-11          18:31SS 20: 6MS 20:12TE          5:41TS          7:22SR 10:25MR  9:29VT 
10-12          18:30SS         20:10TE 20:37MS  5:43TS          7:24SR 11:25MR  9: 5VT 
10-13          18:28SS         20: 8TE 21:10MS  5:45TS          7:25SR          8:34VT 
10-14  12:22MR 18:27SS         20: 7TE 21:49MS  5:46TS          7:25SR          7:56VT 
10-15  13:15MR 18:25SS         20: 4TE 22:34MS  5:46TS          7:28SR          7:12VT 
10-16  14: 4MR 18:22SS         20: 4TE 23:23MS  5:48TS          7:28SR          6:24VT 
10-17  14:49MR 18:22SS         20: 1TE  0:19MS  5:49TS          7:30SR          5:30VT 
10-18  15:28MR 18:19SS         20: 0TE  1:19MS  5:50TS          7:31SR          4:31VT 
10-19  16: 4MR 18:17SS         19:58TE  2:22MS  5:52TS          7:33SR          3:29VT 
10-20  16:37MR 18:16SS         19:57TE  3:31MS  5:54TS          7:34SR          2:22VT 
10-21  17: 7MR 18:15SS         19:55TE  4:41MS  5:55TS          7:35SR          1:13VT 
10-22  17:37MR 18:13SS         19:53TE  5:54MS  5:55TS          7:37SR          0: 1VT 
10-23  18: 7MR 18:10SS         19:52TE          5:56TS  7: 9MS  7:37SR          0: 0VT 
10-24          18:10SS 18:40MR 19:51TE          5:58TS          7:40SR  8:26MS  0: 0VT 
10-25          18: 7SS 19:15MR 19:49TE          6: 0TS          7:40SR  9:42MS  0: 0VT 
10-26          18: 7SS         19:47TE 19:55MR  6: 1TS          7:41SR 10:58MS  0: 7VT 
10-27          18: 4SS         19:46TE 20:40MR  6: 3TS          7:43SR          0:54VT 
10-28  12: 7MS 18: 4SS         19:45TE 21:34MR  6: 4TS          7:45SR          1:49VT 
10-29  13:10MS 18: 1SS         19:43TE 22:36MR  6: 4TS          7:46SR          2:52VT 
10-30  14: 3MS 18: 0SS         19:42TE 23:40MR  6: 5TS          7:48SR          3:58VT 
Daylight Saving Time ends October 31, 1999 2:00 am. The below times are PST
10-31  13:46MS 16:58SS         18:40TE 23:47MR  5: 7TS          6:49SR          5: 7VT 

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.