![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. | |
| 01 Jul | -1.0 | 18:54:38 | 10° | SW | 18:55:00 | 12° | SW | 18:55:00 | 12° | SW |
| 02 Jul | -2.8 | 18:06:13 | 10° | SSW | 18:09:13 | 29° | SE | 18:09:21 | 29° | SE |
| Astronomical Times for Byron Bay (-28.6, 153.6) Starting 26 Jun 2025, for the next 7 days | |||||||
| Date | Morning | Sunrise | Sunset | Evening | Moonrise | Moonset | Moon Phase |
| Twilight | Twilight | ||||||
| 26 Jun 2025 | 05:07 | 06:37 | 16:59 | 18:29 | 07:24 | 17:38 |  |
| 27 Jun 2025 | 05:07 | 06:37 | 16:59 | 18:29 | 08:17 | 18:46 | |
| 28 Jun 2025 | 05:07 | 06:37 | 17:00 | 18:30 | 09:02 | 19:52 | |
| 29 Jun 2025 | 05:07 | 06:37 | 17:00 | 18:30 | 09:39 | 20:53 |  |
| 30 Jun 2025 | 05:07 | 06:37 | 17:00 | 18:30 | 10:11 | 21:51 | |
| 01 Jul 2025 | 05:07 | 06:37 | 17:01 | 18:31 | 10:40 | 22:46 | |
| 02 Jul 2025 | 05:07 | 06:37 | 17:01 | 18:31 | 11:07 | 23:40 |  |
| Planetary Data for today | ||||||||||
 |  |  |  |  |  |  |  | |||
| Mercury | Venus | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto | |||
| Rises | 08:23 | 03:17 | 10:19 | 06:34 | 23:31 | 03:58 | 23:34 | 18:57 | ||
| Meridian | 13:33 | 08:42 | 15:55 | 11:42 | 05:33 | 09:12 | 05:34 | 01:50 | ||
| Sets | 18:43 | 14:08 | 21:31 | 16:48 | 11:40 | 14:30 | 11:38 | 08:42 | ||
| Constellation | Cancer | Aries | Leo | Gemini | Pisces | Taurus | Pisces | Capricornus | ||
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