Monthly Archives: July 2024

Etosha Day 3

NA, andoni, etosha, etosha national park, namibia, wasserloch, waterhole, world
Etosha – Day 3 – Zebras at Andoni Waterhole

Another batch of images from the Etosha National Park, Namibia. See also the previous posting for day 1 and day 2, as well as the expanded series in the gallery.

Ein weiterer Schwung von Bildern aus dem Etosha National Park, Namibia. Siehe auch das vorherige Posting zu Tag 1 und Tag 2, sowie die erweiterte Serie in der Galerie.

Gallery > Photography > Namibia > Namibia 2023 – Etosha

Continue reading

NGC 6589/90 and Surroundings

12-inch lacerta remote, NA, astrofotografie, astronomie, astronomy, astrophotography, emission nebula, emissionsnebel, hakos, hakos guest farm, ias, ias observatory, ias observatory hakos, ic, ic1283, ic1284, khomas, namibia, ngc, ngc6589, ngc6590, ngc6595, reflection nebula, sagittarius, sho, sii-ha-oiii, world
NGC 6589/90 and Surroundings in Sagittarius – SHO w/RGB Stars v1

A 2 panel mosaic of SHO data in Sagittarius, the reflection nebulae NGC 6589/90 and Surroundings, in particular the emission nebulae IC 1283 und IC 1284. NGC 6590 also seems to be cataloged as NGC 6595.

More details at Astrobin.

Continue reading

Blue Lagoon

12-inch lacerta remote, NA, astrofotografie, astronomie, astronomy, astrophotography, emission nebula, emissionsnebel, hakos, hakos guest farm, ias, ias observatory, ias observatory hakos, khomas, lagoon nebula, m8, messier, namibia, ngc, ngc6523, ngc6530, open cluster, remote observatories, remote sternwarten, sagittarius, star, star cluster, stars, stern, sterne, sternhaufen, world
M8 – Lagoon Nebula – SHO w/RGB Stars v2

Oldie, but goldie. The Blue Lagoon, not in Iceland, but in the constellation of Sagittarius, Messier 8 (M8), the Lagoon Nebula. Remote acquistion at the IAS Observatory, Hakos, Namibia.

More details at Astrobin.

Continue reading

Carina Nebula Centered on Mystic Mountain

12-inch lacerta remote, NA, astrofotografie, astronomie, astronomy, astrophotography, carina, carina nebula, dark nebula, emission nebula, emissionsnebel, eta carinae, hakos, hakos guest farm, ias, ias observatory, ias observatory hakos, khomas, kiel des schiffes, mystic mountain, namibia, ngc, ngc3372, open cluster, sho, sii-ha-oiii, star, star cluster, stars, stern, sterne, sternhaufen, world
NGC 3372 – Carina Nebula Centered on Mystic Mountain – SHO w/RGB Stars

One of the drop-dead gorgeous objects in the southern skies is the Great Carina Nebula, NGC 3372, of course. Imaged here in narrowband SHO colors with added RGB stars, using the new IAS remote telescope “Dieter”.

More details at Astrobin.

Continue reading

A Tale of Three Black Holes

astrofotografie, astronomie, astronomy, astrophotography, binary system, black hole, gaia, gaia bh1, ophiuchus, star, stars, stern, sterne
Gaia BH1 Starfield in Ophiuchus – LRGB v1
astrofotografie, astronomie, astronomy, astrophotography, binary system, black hole, centaurus, gaia, gaia bh2, star, stars, stern, sterne, zentaur
Gaia BH2 Starfield in Centaurus – LRGB v1
adler, aquila, astrofotografie, astronomie, astronomy, astrophotography, binary system, black hole, gaia, gaia bh3, star, stars, stern, sterne
Gaia BH3 Starfield in Aquila – LRGB v1

With #3 recently discovered in the analysis during preparation of Gaia DR4 data, there are now 3 black holes in the Gaia catalog. Or more precise, 3 binary systems consisting of a companion star and a likely stellar-mass black hole.

So I took the opportunity to capture the corresponding starfields with the new IAS remote telescope “Dieter” at Hakos, Namibia. The images only show the companion stars, of course. ;-)

Regarding the BH3 image, at first I wasn’t sure whether I found the right object, as the catalog gives the coordinates RA=19h39m18.7115472s, DEC=+14d55m54.010992s and the read-out in Pixinsight showed ICRS RA=19h39m18.68s, DEC=+14d55m50.3s. But thanks to the discussion with Ulrich Bastian I found out that it is necessary to take into account the large proper motion of the object, which results in almost 4″ deviation in declination. Calculating the current position for 2024.5 with Astropy yields RA=19h39m18.66368537s DEC=+14d55m50.2085012s.

Continue reading