October 2006 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  16:25MR 18:49SS         20:31TE  1: 4MS  5:28TS          7:10SR          4:24VT 
10- 2  16:55MR 18:47SS         20:28TE  2:27MS  5:30TS          7:10SR          3: 2VT 
10- 3  17:23MR 18:46SS         20:27TE  3:50MS  5:31TS          7:11SR          1:40VT 
10- 4  17:46MR 18:45SS         20:25TE  5:15MS  5:33TS          7:13SR          0:18VT 
10- 5  18: 7MR 18:43SS         20:22TE          5:34TS  6:37MS  7:15SR          0: 0VT 
10- 6  18:27MR 18:40SS         20:21TE          5:35TS          7:16SR  8: 3MS  0: 0VT 
10- 7          18:38SS 18:49MR 20:19TE          5:37TS          7:16SR  9:29MS  0: 0VT 
10- 8          18:37SS 19:15MR 20:16TE          5:37TS          7:19SR 10:53MS  0: 0VT 
10- 9          18:34SS 19:46MR 20:15TE          5:40TS          7:19SR          0: 0VT 
10-10  12:15MS 18:34SS         20:13TE 20:27MR  5:40TS          7:20SR          0:13VT 
10-11  13:26MS 18:31SS         20:12TE 21:19MR  5:41TS          7:22SR          1: 7VT 
10-12  14:25MS 18:30SS         20:10TE 22:19MR  5:43TS          7:24SR          2: 9VT 
10-13  15:10MS 18:28SS         20: 7TE 23:28MR  5:45TS          7:25SR          3:20VT 
10-14  15:45MS 18:25SS         20: 6TE  0:38MR  5:46TS          7:26SR          4:31VT 
10-15  16:10MS 18:25SS         20: 4TE  1:46MR  5:48TS          7:28SR          5:41VT 
10-16  16:29MS 18:22SS         20: 2TE  2:52MR  5:49TS          7:28SR          6:50VT 
10-17  16:46MS 18:21SS         20: 1TE  3:57MR  5:49TS          7:31SR          7:55VT 
10-18  17: 2MS 18:19SS         20: 0TE  5: 1MR  5:50TS          7:31SR          9: 0VT 
10-19  17:17MS 18:17SS         19:58TE          5:52TS  6: 4MR  7:33SR          9:54VT 
10-20  17:32MS 18:16SS         19:55TE          5:54TS  7: 9MR  7:34SR          9:58VT 
10-21  17:49MS 18:13SS         19:55TE          5:55TS          7:35SR  8:15MR  9:59VT 
10-22  18: 8MS 18:13SS         19:52TE          5:56TS          7:37SR  9:25MR 10: 4VT 
10-23          18:10SS 18:31MS 19:52TE          5:58TS          7:39SR 10:34MR 10: 5VT 
10-24          18: 8SS 19: 1MS 19:49TE          5:58TS          7:40SR 11:43MR 10: 9VT 
10-25          18: 7SS 19:42MS 19:49TE          6: 0TS          7:41SR         10:10VT 
10-26  12:46MR 18: 6SS         19:46TE 20:32MS  6: 1TS          7:43SR          9:29VT 
10-27  13:40MR 18: 4SS         19:46TE 21:36MS  6: 3TS          7:43SR          8:26VT 
10-28  14:23MR 18: 2SS         19:43TE 22:49MS  6: 4TS          7:46SR          7:14VT 
Daylight Saving Time ends October 29, 2:00 am. The below times are PST
10-29  13:58MR 17: 1SS         18:43TE 23: 7MS  5: 5TS          6:46SR          5:58VT 
10-30  14:25MR 17: 0SS         18:40TE  0:28MS  5: 7TS          6:49SR          4:39VT 
10-31  14:48MR 16:58SS         18:40TE  1:47MS  5: 7TS          6:49SR          3:19VT 

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.