NGC 6565 (also ESO 456-70, HD 166468 and PK 3-4.5) is a magnitude +11.6 planetary nebula located 14,000 light-years away in the constellation Sagittarius. The planetary nebula was discovered by American astronomer Edward Charles Pickering using a 38.1 cm (15 inch) refractor at the Harvard Coll...
NGC 6595 (also 6590, IC 4700, ESO 590-SC15, Sh 2-37, Ced 157b and OCL 31) is a magnitude +7.0 emission nebula and open star cluster located in the constellation Sagittarius. The cluster was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescop...
NGC 6616 (also IRAS 18155+2213, MCG 4-43-22, UGC 11192 and PGC 61693) is a magnitude +13.8 edge-on spiral galaxy located 255 million light-years away in the constellation Hercules. The galaxy was discovered by American astronomer Lewis A. Swift using a 40.6 cm (16 inch) Alvan Clark and Sons refrac...
NGC 6716 (also Collinder 393, ESO 592-SC5 and OCL 46) is a magnitude +7.5 open star cluster located 2,573 light-years away in the constellation Sagittarius. The cluster was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Windsor Ro...
NGC 6737 (also ESO 592-**8) is a magnitude +11.9 asterism located in the constellation Sagittarius. The group of stars were discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Windsor Road, Slough, on the 14th July 1830. Right Ascens...
NGC 6903 (also ESO 596-29, MCG -3-52-3 and PGC 64607) is a magnitude +11.9 elliptical galaxy located 153 million light-years away in the constellation Capricornus. The galaxy was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Wi...
Title: Crantor, a short-lived horseshoe companion to Uranus Authors: C. de la Fuente Marcos, R. de la Fuente Marcos Stable co-orbital motion with Uranus is vulnerable to planetary migration but temporary co-orbitals may exist today. So far only two candidates have been suggested, both moving on...
Title: A new low magnetic field magnetar: the 2011 outburst of Swift J1822.3-1606 Authors: N. Rea (CSIC-IEEC), G. L. Israel, P. Esposito (INAF), J. A. Pons (Alicante), A. Camero-Arranz (CSIC-IEEC), R. P. Mignani (MSSL), R. Turolla (Padova), S. Zane (MSSL), M. Burgay, A. Possenti, S. Campana (INA...
SubTEC-II, a technology development flight, was launched from Wallops Flight Facility on 14 July at 10:10 UTC. A Terrier 70-Improved Orion sounding rocket was used, a derivative of the Terrier-Orion. The mission was reported to have been successful Read more (PDF)
Sun 12.07.14: The eastern limb captured with a 100mm Helios f5 refractor and Vesta pro webcam + solar filter (Cloudy conditions) Sun 12.07.14: The western limb captured with a 100mm Helios f5 refractor and Vesta pro webcam + solar filter (Cloudy conditions) Sun 12.07.14: photomosaic captured w...
NGC 6378 (also MCG 1-44-9, UGC 10884 and PGC 60418) is a magnitude +13.5 spiral galaxy located 308 million light-years away in the constellation Ophiuchus. The galaxy was discovered by French astronomer Edouard Stephan using a 80.01 cm (31.5 inch) reflecting telescope at the Marseille Observat...
NGC 6627 (also IRAS 18203+1540, MCG 3-47-1, UGC 11212 and PGC 61792) is a magnitude +13.3 face-on barred spiral galaxy located 242 million light-years away in the constellation Hercules. The galaxy was discovered by German astronomer Albert Marth using a 121.92 cm (48 inch) speculum reflector a...
NGC 6644 (also PK 8-7.2, HD 170839, Hen 2-408 and ESO 522-PN33) is a magnitude +10.7 planetary nebula located in the constellation Sagittarius. The central white dwarf star has an apparent magnitude of +15.9 The planetary nebula was discovered by American astronomer Edward Charles Pickering us...
