Starship Asterisk*

22° is not the diameter, it is the radius : https://en.wikipedia.org/wiki/22%C2%B0_halo (https://fr.wikipedia.org/wiki/Halo_de_22%C2%B0)

The distance of NGC 6552 is about 116 Mpc (http://ned.ipac.caltech.edu/byname?objname=NGC+6552&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1) and the one of the Cat Eye is at least 1365 pc (http://simbad.u-strasbg.fr/simbad/sim-id?Ident=%4011673229&Name=NGC++6543&...

there is another bright spots near the horizon. Someone knows what it is?

I think we can also observe the flickering of the granules of the photosphere.

Yhis eclipse coincides this year with the Thai festival of Loi Krathong, the 12th fullmoon of the year.

Distance on the illustration does not fit those of Hipparcos. The parallax of Alnilam on the catalog is 2,43 (under the entry 26311). This parallaxe correspond to a distance of (1/0.00243) pc = 411 pc or about 1350 light-year, not 1976 ly.

A ring around Mercury? Really? How is that possible? There is no thick atmosphere on this planet.

And what about the other fuzzy faint apparition we see throw the tree? The Small Magellanic Cloud?

All the sources consulted mention a distance of 400 to 500 light years, as well as previous APOD publications. We would like to know where this new distance comes from.

Like many people, APOD dont know the difference between a camel (two bumps) and a dromedary (one bump).

ISS looks like the Canadian flag on this picture!

Maui is at a latitude of 20° or so. The limit declination is (20°-90°) = -70, not -30. Error in the text or is it the limit declination of the telescope?

SoHO is in orbit around the Sun, but not SDO who is in geosynchrone orbit ...(https://en.wikipedia.org/wiki/Solar_Dyn ... tory#Orbit)

Soul nebula is IC 1848, not IC 1898 (https://en.wikipedia.org/wiki/Westerhout_5)

SoHO is not a Earth-orbiting satellite. In fact the observatory is orbiting around Lagrangian L1 point and the Sun (https://www.youtube.com/watch?v=cGm-nrgAIzM).

The time interval beetween two rises of Phobos is 11h 6min, so on Mars you see 2 rises of that moon per day, rarely 3 (https://en.wikipedia.org/wiki/Phobos_(m ... cteristics)

Over the next few years ????, Juno will continue to orbit and probe Jupiter, determine atmospheric water abundance, and attempt to determine if Jupiter has a solid surface underneath these fascinating clouds. "Over the next few months" will be more appropriate i think because Juno is sched...

From the top of the image along the diagonal, the galaxies of this image are : IC 5168, NGC 7214, HCG 91d, ESO 467-13 and ESO 467-15. Thank to Aladin, but i would like to know which are HCG 91a, HCG 91b and HCG 91c. Also, how many galaxies compose that group, 4 or more?

What is the bright beacon on the far left, Jupiter or the Moon?

According to the moon's data of the nssdc (http://nssdc.gsfc.nasa.gov/planetary/factsheet/moonfact.html), it's distance at perigee is 363300 km, not the 356790 km reported on Anthony Ayiomamitis's web site. Since the moon at apogee is at 405500 km from earth, I think the difference between these pos...

Kepler is orbiting around the Sun, not around the Earth : see FAQ http://kepler.nasa.gov/Mission/faq/ E3

In fact, this structure is an ancien volcano. If you understand french, check this Radio Canada emission : http://www.youtube.com/watch?v=pTTnYRaZ55A

The mean radius of Rhea is greater then 750 km (http://nssdc.gsfc.nasa.gov/planetary/fa ... tfact.html) . The radius of the water sphere is smaller compare to that moon.

Comments on the positions would be accurate if the image was inverted from top to bottom.

According to SED's (http://seds.org/messier/Xtra/ngc/n5128.html), Centaurus A is a lenticular galaxy.