* Astronomy

SN 2013fs is a supernova, located in the spiral galaxy NGC 7610, discovered by the Intermediate Palomar Transient Factory sky survey at Palomar Observatory in October 2013 (and originally named iPTF13dqy) Read more

NGC 7610 (also NGC 7616, IRAS 23171+0954, MCG 2-59-25, UGC 12511, and PGC 071087) is a magnitude +13.44 face-on barred spiral galaxy located 163 million light-years away in the constellation Pegasus. The galaxy was discovered by British amateur astronomer Andrew Ainslie Common using a 91.44 cm...

Title: Starspots on WASP-107 and pulsations of WASP-118 Author: T. Mocnik, C. Hellier, D. R. Anderson, B. J. M. Clark By analysing the K2 short-cadence photometry we detect starspot occultation events in the lightcurve of WASP-107, the host star of a warm-Saturn exoplanet. WASP-107 also shows a r...

Sunspot 12636 and the eastern limb captured with a 100mm f5 Helios refractor and Vesta pro webcam.

Five panel photomosaic captured with a 100mm f5 Helios refractor and Vesta pro webcam.

The western limb captured with a 100mm f5 Helios refractor and Vesta pro webcam.

Title: Signatures of a two million year old supernova in the spectra of cosmic ray protons, antiprotons and positrons Author: M. Kachelriess, A. Neronov, D.V. Semikoz The locally observed cosmic ray spectrum has several puzzling features, such as the excess of positrons and antiprotons above ~2...

Comet 2P Encke was first discovered on the 17th January, 1786, by Pierre Méchain (Paris, France). The comet has one of the shortest periods (3.3 years) of any known comet. The comet will make a close pass (0.48 AU) of the Earth on the 17th October 2013. The Taurid meteor showers are associated with the c...

Maxima of long period variable R Draconis on the 22nd June, 2010. Magnitude: 7.6-12.4 Type: Mira Position (2000): RA 16 32 40.2258, Dec +66 45 17.943

A blank looking eastern limb captured with a 100mm f5 Helios refractor and Vesta pro webcam.

Title: J0906+6930: a radio-loud quasar in the early Universe Author: Yingkang Zhang, Tao An, Sandor Frey, Krisztina E. Gabanyi, Zsolt Paragi, Leonid I. Gurvits, Bong Won Sohn, Taehyun Jung, Motoki Kino, Baoqiang Lao, Yang Lu, Prashanth Mohan Radio-loud high-redshift quasars (HRQs), although...

Title: Discovery and first models of the quadruply lensed quasar SDSS J1433+6007 Author: Adriano Agnello, Claudio Grillo, Tucker Jones, Tommaso Treu, Mario Bonamigo, Sherry H. Suyu We report the discovery of the quadruply lensed quasar J1433+6007, mined in the SDSS DR12 photometric catalogue...

Title: The January 7, 2015, superbolide over Romania and structural diversity of meter-sized asteroids Author: Jirí Borovicka, Pavel Spurný, Valentin I. Grigore, Ján Svoren Superbolides, i.e. extremely bright meteors produced by entries of meter-sized bodies into terrestrial atmosphere,...

Title: CC Sculptoris: Eclipsing SU UMa-Type Intermediate Polar Author: Taichi Kato (Kyoto U), Franz-Josef Hambsch (GEOS, BAV, VVS), Arto Oksanen (Nyrola Obs.), Peter Starr (Warrumbungle Obs.), Arne Henden (AAVSO) We observed the 2014 superoutburst of the SU UMa-type intermediate polar CC Sc...

The dwarf nova RZ Leonis is in outburst. Date: 21st March, 2012 Magnitude: 11.5 - 19.2 V Period: - Satellite orbital period: 0.076038 days Spectral type: ? Position(2000): RA=11 37 22.27 | Dec=+01° 48' 58.5"