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Sunday, April 19, 2020

 

The ISS passes through the Milky Way (19-27 April, 2020)

The ISS as seen from Sydney on the evening of Sunday 19 April  at 18:46 AEST. Simulated in Stellarium (the ISS will actually be a bright dot), click to embiggen.The ISS  as seen from Adelaide on the evening of Monday 20 April at 19:04 ACST. Simulated in Stellarium (the ISS will actually be a bright dot), click to embiggen.The ISS as seen from Perth on the evening of Tuesday 21 April at 18:19 AWST. Simulated in Stellarium (the ISS will actually be a bright dot)click to embiggen.
All sky chart showing local times from Heavens Above for Sunday 19 April  for Sydney.All sky chart showing local  times from Heavens Above for Monday 20 April for Adelaide.All sky chart showing local times from Heavens Above for Tuesday 21 April for Perth.

Over the next few days there are a series of  bright ISS passes in the early evening. The outstanding passes are when the ISS is in the milky way, where it passes by bright Venus, Orion, Sirus and Canopus.

The following tables are from data provided from Heavens Above.

Passes from Adelaide (ACST)

Date Brightness Start Highest point End Pass type
(mag) Time Alt. Az. Time Alt. Az. Time Alt. Az.
18 Apr-3.018:59:0310°NNW19:02:0833°NE19:02:2433°ENEvisible
19 Apr-2.018:12:3910°N18:15:0619°NE18:17:3410°Evisible
19 Apr-1.819:48:3210°WNW19:50:4629°WSW19:50:4629°WSWvisible
20 Apr-3.419:01:0510°WNW19:04:2864°SW19:05:5730°SSEvisible
21 Apr-3.718:13:5410°NW18:17:1767°NE18:20:4110°SEvisible
21 Apr-0.919:52:1610°WSW19:54:0115°SW19:54:0115°SWvisible
22 Apr-1.619:04:1410°W19:07:0122°SSW19:08:5715°Svisible
23 Apr-2.318:16:3010°WNW18:19:4035°SW18:22:5210°SSEvisible
24 Apr-0.919:08:4910°SW19:09:4711°SSW19:10:4610°Svisible
25 Apr-1.118:20:1110°WSW18:22:1715°SSW18:24:2410°Svisible


Passes from Brisbane (AEST)

Date Brightness Start Highest point End Pass type
(mag) Time Alt. Az. Time Alt. Az. Time Alt. Az.
18 Apr-2.517:53:2810°N17:56:2126°NE17:59:1610°ESEvisible
18 Apr-1.019:30:3810°W19:32:2518°WSW19:32:2518°WSWvisible
19 Apr-2.218:42:4510°WNW18:45:5233°SW18:47:4519°Svisible
20 Apr-3.417:55:1610°NW17:58:3866°SW18:02:0310°SEvisible
21 Apr-0.818:47:2910°SW18:48:3211°SW18:49:3610°SSWvisible
22 Apr-1.217:58:4210°W18:01:0918°SW18:03:3710°Svisible


Passes from Darwin (ACT)

Date Brightness Start Highest point End Pass type
(mag) Time Alt. Az. Time Alt. Az. Time Alt. Az.
19 Apr-0.704:53:3014°NE04:53:3014°NE04:54:0410°NEvisible














Passes from Hobart (AEST)

Date Brightness Start Highest point End Pass type
(mag) Time Alt. Az. Time Alt. Az. Time Alt. Az.
19 Apr-2.018:45:2810°N18:47:4518°NE18:47:4518°NEvisible
20 Apr-1.417:59:5110°NNE18:00:5511°NE18:02:0010°ENEvisible
20 Apr-2.419:33:4810°NW19:35:5736°NW19:35:5736°NWvisible
21 Apr-3.518:46:4410°NW18:50:0351°NE18:51:0137°Evisible
21 Apr-0.220:23:5510°W20:24:0111°W20:24:0111°Wvisible
22 Apr-2.717:59:5310°NNW18:02:5631°NE18:05:5710°ESEvisible
22 Apr-2.219:36:2510°W19:38:5735°WSW19:38:5735°WSWvisible
23 Apr-3.418:49:0010°WNW18:52:2361°SSW18:53:4732°SEvisible
24 Apr-3.718:01:4310°NW18:05:0886°NNE18:08:3110°ESEvisible
24 Apr-1.519:39:2310°WSW19:41:3123°SW19:41:3123°SWvisible
25 Apr-2.218:51:4710°W18:54:5330°SSW18:56:1123°SSEvisible
26 Apr-2.718:04:1410°W18:07:3141°SSW18:10:4910°SEvisible
26 Apr-1.119:42:2510°SW19:43:4716°SSW19:43:4716°SSWvisible
27 Apr-1.818:54:4810°WSW18:57:3121°S18:58:2219°Svisible
28 Apr-2.018:07:0910°WSW18:10:0224°SSW18:12:5410°SEvisible
28 Apr-0.819:45:0710°SW19:45:5314°SSW19:45:5314°SSWvisible


Passes from Melbourne (AEST)

Date Brightness Start Highest point End Pass type
(mag) Time Alt. Az. Time Alt. Az. Time Alt. Az.
18 Apr-2.419:30:2310°NNW19:32:2430°N19:32:2430°Nvisible
19 Apr-2.518:43:4210°N18:46:3526°NE18:47:4521°Evisible
19 Apr-0.520:20:1110°W20:20:4614°W20:20:4614°Wvisible
20 Apr-3.119:32:4210°WNW19:35:5753°SW19:35:5753°SWvisible
21 Apr-3.818:45:2410°NW18:48:4988°NE18:51:0121°SEvisible
21 Apr-0.220:23:4710°WSW20:24:0111°WSW20:24:0111°WSWvisible
22 Apr-1.719:35:5210°W19:38:3822°SSW19:38:5722°SSWvisible
23 Apr-2.218:48:0910°W18:51:1632°SSW18:53:4714°SSEvisible
24 Apr-1.019:39:4910°SW19:41:2513°SSW19:41:3113°SSWvisible
25 Apr-1.218:51:4110°WSW18:53:5516°SSW18:56:1010°SSEvisible
26 Apr-1.618:03:4310°W18:06:2722°SSW18:09:1310°SSEvisible
27 Apr-0.918:56:1610°SSW18:56:4510°SSW18:57:1410°Svisible


Passes from Perth (AWST)


Date Brightness Start Highest point End Pass type
(mag) Time Alt. Az. Time Alt. Az. Time Alt. Az.
18 Apr-2.517:53:2810°N17:56:2126°NE17:59:1610°ESEvisible
18 Apr-1.019:30:3810°W19:32:2518°WSW19:32:2518°WSWvisible
19 Apr-2.218:42:4510°WNW18:45:5233°SW18:47:4519°Svisible
20 Apr-3.417:55:1610°NW17:58:3866°SW18:02:0310°SEvisible
21 Apr-0.818:47:2910°SW18:48:3211°SW18:49:3610°SSWvisible
22 Apr-1.217:58:4210°W18:01:0918°SW18:03:3710°Svisible


Passes from Sydney (AEST)

Date Brightness Start Highest point End Pass type
(mag) Time Alt. Az. Time Alt. Az. Time Alt. Az.
19 Apr-3.818:43:2110°NW18:46:4584°NE18:47:4543°SEvisible
20 Apr-3.217:56:2310°NNW17:59:3642°NE18:02:5310°ESEvisible
20 Apr-1.119:34:0410°W19:35:5718°SW19:35:5718°SWvisible
21 Apr-2.018:46:1310°W18:49:1429°SW18:51:0118°Svisible
22 Apr-2.917:58:3710°WNW18:01:5649°SW18:05:1710°SEvisible
23 Apr-0.918:50:2210°SW18:51:5713°SSW18:53:3210°Svisible
24 Apr-1.318:02:0110°WSW18:04:2918°SSW18:06:5910°SSEvisible


When and what you will see is VERY location dependent, so you need to use either Heavens Above or CalSky to get site specific predictions for your location, a small difference in location can mean the difference between the ISS passing over a star or planet or missing it completely. As always, start looking several minutes before the pass is going to start to get yourself oriented and your eyes dark adapted. Be patient, there may be slight differences in the time of the ISS appearing due to orbit changes not picked up by the predictions. Use the most recent prediction for your site.

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