* Astronomy

Four panel white-light photomosaic captured with a 100mm f5 Helios refractor and vesta pro webcam.

Two panel white-light photomosaic captured with a 100mm f5 Helios refractor and vesta pro webcam.

~80% illuminated waning gibbous moon

White-light image of sunspot 12427 and the eastern limb captured with a 100mm f5 Helios refractor and vesta pro webcam.

A total lunar eclipse will take place on September 28, 2015, the second of two total lunar eclipses in 2015. Read more

This new picture from ESO's Very Large Telescope shows NGC 3521, a spiral galaxy located about 35 million light years away in the constellation of Leo (The Lion). Spanning about 50 000 light-years, this spectacular object has a bright and compact nucleus, surrounded by richly detailed spiral stru...

Galileo satellites in launch zone Europe's ninth and tenth Galileo satellites have reached their launch pad, taking their position atop the vertical Soyuz launcher in readiness for Friday's launch. Read more

17 panel white-light photomosaic captured with a 100mm f5 Helios refractor and vesta pro webcam.

Orbital elements: C/2010 H3 (SOHO) T 2010 Apr. 19.90 TT MPC q 0.0476 (2000.0) P Q Peri. 25.52 -0.19533 -0.89713 Node 77.87 +0.81599 -0.37280 e 1.0 Incl. 23.91 +0.54406 +0.23704 From 82 observations 2010 Apr. 18-20. [url=http://www.minorplanetcenter.org/mpec/K10/K10H37.html]MPEC

Comet C/2015 F2 (Polonia) is a Perihelion (1.210 AU) in the constellation Capricornus on the 28th April 2015 EphemerisDate TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 04 27 20 59 48.8 -25 01 50 0.7285 1.2007 86.0 56.7 16.6 2015 04 28 21 02 37.8 -24 00 54 0.7265 1.2004 86.1 56.8 16.6 2015 04 29 21 05...

The 7 - 17 metre wide asteroid 2015 SV6 made a close pass (2.3 LD, 0.0059 AU) travelling at 17.96 km/second, to the Earth-Moon system on the 25h September 2015 @ 13:24 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

The 24 - 54 metre wide asteroid 2015 RU36 will make a close pass (14.7 LD, 0.0378 AU) travelling at 12.38 km/second, to the Earth-Moon system on the 26th September 2015 @ 06:50 UT ±00:01. See more The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).

Mercury: at magnitude 0.1, starts the month in the constellation of Virgo. Mercury is at its Greatest Elongation (27° East) on the 4th. Mercury is at Dichotomy (Half phase) on the 7th. The planet is close (separation 8.3°) to Spica on the 17th. Mercury is at inferior Conjunction on the 30th September...

The comet P/2001 J1 (NEAT) was found by Japanese amateur astronomer Ken-ichi Kadota on October 15, 2008. The orbital elements of the comet indicate a perihelion passage on the 6th November, 2008, at a distance of 0.9 AU from the Sun, and a 7.67 year period. Ephemeris