![This is a “first light” test image for the ZWO2600MM-Duo where I use on-axis guiding. It’s a nice close up view of the “Dragon’s Egg” nebula outburst from a young, binary star system that sometimes interacts. New measurements show the current outburst started only 7,500 years ago!
“Dragon’s Egg” Celestron 14” EHD / F11 / 3910mm
ZWO 2600 MM DUO
SkyWatcher EQ8 RH PRO
HOO
120 x 3m Hydrogen Alpha
75 x 3m Oxygen[III]
Total 9.75 hours.
BTS Video : https://www.youtube.com/watch?v=GvGENW943jo
#astrophotography #byronbay #zwo2600mm #celestronrocks #celestron #ngc6164](https://byronbayobservatory.com.au/wp-content/plugins/instagram-feed/img/placeholder.png)
Back Focal Distance Simulation / Image
Just putting this here because I forget where it is constantly. Now I can just google it.
Listen to ABC North Coast radio every Tuesday morning at 6:45am for Space Updates by Dylan O’Donnell
What's Up?
| Visible ISS Passes | ||||||||||
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| Date | Brightness | Start | Highest point | End | ||||||
| (mag) | Time | Alt. | Az. | Time | Alt. | Az. | Time | Alt. | Az. | |
| 11 Jul | -0.5 | 05:51:35 | 10° | NNE | 05:53:48 | 17° | NE | 05:56:04 | 10° | E |
| 13 Jul | -3.3 | 05:49:19 | 10° | NNW | 05:52:38 | 65° | NE | 05:56:01 | 10° | SE |
| 14 Jul | -1.7 | 05:00:54 | 10° | N | 05:03:53 | 29° | NE | 05:06:52 | 10° | ESE |
| 15 Jul | -0.6 | 04:15:45 | 14° | ENE | 04:15:45 | 14° | ENE | 04:17:07 | 10° | E |
| 15 Jul | -3.0 | 05:48:45 | 11° | WNW | 05:51:37 | 32° | SW | 05:54:43 | 10° | SSE |
| 16 Jul | -3.3 | 05:03:22 | 50° | SSE | 05:03:22 | 50° | SSE | 05:06:06 | 10° | SE |
| Astronomical Times for Byron Bay (-28.6, 153.6) Starting 09 Jul 2025, for the next 7 days | |||||||
| Date | Morning | Sunrise | Sunset | Evening | Moonrise | Moonset | Moon Phase |
| Twilight | Twilight | ||||||
| 09 Jul 2025 | 05:07 | 06:37 | 17:04 | 18:34 | 15:20 | 05:13 |  |
| 10 Jul 2025 | 05:06 | 06:36 | 17:05 | 18:35 | 16:16 | 06:07 | |
| 11 Jul 2025 | 05:06 | 06:36 | 17:05 | 18:35 | 17:18 | 06:57 | |
| 12 Jul 2025 | 05:06 | 06:36 | 17:05 | 18:35 | 18:20 | 07:41 |  |
| 13 Jul 2025 | 05:06 | 06:36 | 17:06 | 18:36 | 19:24 | 08:20 | |
| 14 Jul 2025 | 05:06 | 06:36 | 17:06 | 18:36 | 20:26 | 08:55 | |
| 15 Jul 2025 | 05:05 | 06:35 | 17:07 | 18:37 | 21:28 | 09:28 |  |
| Planetary Data for today | ||||||||||
 |  |  |  |  |  |  |  | |||
| Mercury | Venus | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto | |||
| Rises | 08:08 | 03:32 | 09:47 | 05:56 | 22:41 | 03:10 | 22:42 | 18:05 | ||
| Meridian | 13:33 | 08:49 | 15:32 | 11:04 | 04:43 | 08:24 | 04:43 | 00:58 | ||
| Sets | 18:57 | 14:06 | 21:14 | 16:09 | 10:49 | 13:41 | 10:47 | 07:50 | ||
| Constellation | Cancer | Taurus | Leo | Gemini | Pisces | Taurus | Pisces | Capricornus | ||
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Perfect Guiding & Perfect Stars - ZWO 2600MM DUO
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