October 2001 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          18:49SS 19: 1MR 20:30TE          5:28TS  7: 4MS  7:10SR          0: 0VT 
10- 2          18:47SS 19:22MR 20:28TE          5:31TS          7:10SR  8: 7MS  0: 0VT 
10- 3          18:46SS 19:43MR 20:25TE          5:31TS          7:13SR  9:12MS  0: 0VT 
10- 4          18:43SS 20: 7MR 20:23TE          5:33TS          7:13SR 10:19MS  0: 0VT 
10- 5          18:42SS         20:22TE 20:34MR  5:34TS          7:15SR 11:26MS  0:11VT 
10- 6          18:40SS         20:21TE 21: 4MR  5:35TS          7:16SR          0:43VT 
10- 7  12:34MS 18:38SS         20:19TE 21:43MR  5:37TS          7:18SR          1:24VT 
10- 8  13:40MS 18:37SS         20:16TE 22:31MR  5:39TS          7:19SR          2:14VT 
10- 9  14:40MS 18:34SS         20:15TE 23:28MR  5:40TS          7:19SR          3:13VT 
10-10  15:33MS 18:32SS         20:13TE  0:36MR  5:40TS          7:22SR          4:22VT 
10-11  17: 0MS 18:31SS         20:10TE  1:51MR  5:43TS          7:22SR          5:40VT 
10-12  17:13MS 18:30SS         20:10TE  3: 9MR  5:43TS          7:24SR          6:58VT 
10-13  17:28MS 18:28SS         20: 7TE  4:28MR  5:45TS          7:25SR          8:21VT 
10-14  17:55MS 18:25SS         20: 6TE          5:46TS  5:49MR  7:26SR          9:39VT 
10-15  18:22MS 18:23SS         20: 4TE          5:48TS  7: 7MR  7:28SR          9:43VT 
10-16          18:22SS 18:49MS 20: 2TE          5:49TS          7:30SR  8:25MR  9:46VT 
10-17          18:21SS 19:16MS 20: 1TE          5:49TS          7:31SR  9:41MR  9:48VT 
10-18          18:19SS 19:47MS 19:58TE          5:52TS          7:31SR 10:55MR  9:53VT 
10-19          18:16SS         19:58TE 20:22MS  5:52TS          7:34SR          9:30VT 
10-20  12: 4MR 18:16SS         19:55TE 21: 2MS  5:54TS          7:34SR          8:51VT 
10-21  13: 7MR 18:13SS         19:53TE 21:51MS  5:55TS          7:35SR          8: 4VT 
10-22  14: 1MR 18:12SS         19:52TE 22:43MS  5:56TS          7:37SR          7:13VT 
10-23  14:46MR 18:10SS         19:51TE 23:43MS  5:58TS          7:39SR          6:14VT 
10-24  15:25MR 18: 8SS         19:49TE  0:42MS  5:58TS          7:40SR          5:15VT 
10-25  15:55MR 18: 7SS         19:47TE  1:46MS  6: 1TS          7:41SR          4:15VT 
10-26  16:22MR 18: 6SS         19:46TE  2:47MS  6: 1TS          7:43SR          3:13VT 
10-27  16:45MR 18: 4SS         19:45TE  3:50MS  6: 3TS          7:45SR          2:12VT 
Daylight Saving Time ends October 28, 2:00 am. The below times are PST
10-28  16: 7MR 17: 2SS         18:43TE  3:52MS  5: 4TS          6:46SR          1:12VT 
10-29  16:27MR 17: 1SS         18:42TE  4:56MS  5: 5TS          6:46SR          0: 9VT 
10-30  16:47MR 17: 0SS         18:40TE          5: 7TS  6: 1MS  6:49SR          0: 0VT 
10-31          16:58SS 17:10MR 18:40TE          5: 7TS          6:49SR  7: 9MS  0: 0VT 

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.