| distance | 7500 lightyears |
| total integration time | 1 hour |
| 2x 300 sec. H alpha 5x 120 sec. H alpha 2x 300 sec. O III 5x 120 sec. O III 2x 300 sec. S II 5x 120 sec. S II | |
| right ascension | 10h 45m 3,54s |
| declination | -59° 41′ 4″ |
| high resolution download | EtaCarionae2.jpg |
| licence | Public Domain |
Eta Carinae – NGC 3372 – is a very large emission nebula. The big star in the center is a double star. The primary star has about 100 to 200 times the mass of our sun. The secondary star has about 30 to 80 times the mass of our sun. Eta Carinae ist about 7500 lightyears away.
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This object can only be seen on the southern hemisphere. From my location I have no chance. So I used the @telescope.live one-click observation feature. I even stacked and used two observations, resulting in a total of 1 hour of Halpha, O III, S II data.