July 2005 Dark Sky Observing Time

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

 7- 1  17: 1MS 21: 1SS         23:22TE  2:17MR  3: 4TS          5:25SR          2:55VT 
 7- 2  18:12MS 21: 1SS         23:22TE  2:49MR  3: 5TS          5:26SR          3:26VT 
 7- 3  19:19MS 21: 1SS         23:22TE          3: 7TS  3:27MR  5:26SR          3:44VT 
 7- 4  20:19MS 21: 1SS         23:21TE          3: 7TS  4:13MR  5:28SR          3:46VT 
 7- 5          21: 1SS 21:12MS 23:19TE          3:10TS  5:10MR  5:28SR          3:50VT 
 7- 6          21: 1SS 21:52MS 23:19TE          3:10TS          5:30SR  6:13MR  3:51VT 
 7- 7          21: 0SS 22:25MS 23:19TE          3:12TS          5:30SR  7:19MR  3:52VT 
 7- 8          21: 0SS 22:51MS 23:17TE          3:13TS          5:31SR  8:25MR  3:56VT 
 7- 9          20:58SS 23:12MS 23:16TE          3:15TS          5:31SR  9:30MR  3:58VT 
 7-10          20:58SS         23:15TE 23:30MS  3:16TS          5:33SR 10:36MR  3:46VT 
 7-11          20:58SS         23:13TE 23:46MS  3:17TS          5:34SR 11:40MR  3:31VT 
 7-12          20:58SS         23:13TE  0: 2MS  3:19TS          5:34SR          3:17VT 
 7-13  12:46MR 20:57SS         23:10TE  0:18MS  3:20TS          5:34SR          3: 2VT 
 7-14  13:55MR 20:55SS         23:10TE  0:37MS  3:22TS          5:35SR          2:45VT 
 7-15  15: 7MR 20:55SS         23: 8TE  0:58MS  3:24TS          5:37SR          2:25VT 
 7-16  16:26MR 20:55SS         23: 7TE  1:27MS  3:25TS          5:37SR          1:58VT 
 7-17  17:45MR 20:53SS         23: 6TE  2: 5MS  3:27TS          5:39SR          1:21VT 
 7-18  19: 1MR 20:52SS         23: 4TE  2:58MS  3:28TS          5:40SR          0:30VT 
 7-19  20:10MR 20:52SS         23: 2TE          3:31TS  4: 7MS  5:40SR          0: 0VT 
 7-20          20:51SS 21: 4MR 23: 1TE          3:31TS  5:30MS  5:41SR          0: 0VT 
 7-21          20:49SS 21:45MR 22:58TE          3:34TS          5:43SR  6:58MS  0: 0VT 
 7-22          20:49SS 22:16MR 22:58TE          3:35TS          5:43SR  8:26MS  0: 0VT 
 7-23          20:47SS 22:40MR 22:55TE          3:37TS          5:45SR  9:48MS  0: 0VT 
 7-24          20:46SS         22:53TE 23: 0MR  3:40TS          5:46SR 11: 7MS  0: 6VT 
 7-25          20:46SS         22:52TE 23:19MR  3:40TS          5:48SR          0:26VT 
 7-26  12:23MS 20:45SS         22:51TE 23:37MR  3:43TS          5:49SR          0:46VT 
 7-27  13:37MS 20:43SS         22:49TE 23:58MR  3:45TS          5:49SR          1: 8VT 
 7-28  14:52MS 20:43SS         22:46TE  0:22MR  3:46TS          5:50SR          1:35VT 
 7-29  16: 4MS 20:42SS         22:45TE  0:50MR  3:49TS          5:52SR          2: 4VT 
 7-30  17:12MS 20:40SS         22:43TE  1:25MR  3:49TS          5:52SR          2:42VT 
 7-31  18:16MS 20:38SS         22:40TE  2:10MR  3:52TS          5:54SR          3:29VT 

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.