Henry Hartsfield
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People
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Henry Warren "Hank" Hartsfield, Jr. (born November 21, 1933) is a retired United States Air Force officer and a former USAF and NASA astronaut who logged over 480 hours in space. Read more Spoiler
Crater Maurolycus
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The Moon
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Maurolycus is a prominent lunar crater in the southern highland region of the Moon, and can be observed with 10 x 50 binoculars when near to the terminus. Image captured with a 100mm refractor and webcam.
Asteroid (11066) Sigurd
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Asteroids 2014
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283
Asteroid (11066) Sigurd 1992 CC1 makes its closest approach to the Earth (0.789 AU) on the 18th July 2014 Ephemeris Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag
2014 07 15 03 33 02.2 +10 54 55 0.7905 0.9110 59.0 73.0 17.0
2014 07 16 03 36 30.8 +12 03 46 0.7899 0.9077 58.8 73.2 17.0
2014 07 17 03 40 03.1...
Asteroid 2013 NC24
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Asteroids 2013
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Orbital elements:
2013 NC24 Earth MOID = 0.0382 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 174.84559 (2000.0) P Q
n 1.01812598 Peri. 307.65440 +0.53267998 -0.82977732
a 0.9785921 Node 109.36169 +0.82140320 +0.45951247
e 0.2694741 Incl. 10.16474 +0.20383529 +0.31673000
P 0.97 H 25....
NGC 6735
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Stars/galaxy News
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NGC 6735 is a magnitude +8.0 open star cluster located in the constellation Aquila. The cluster is near to the star SAO 142915. The cluster was discovered by British astronomer John Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Slough, England on the 18th July 1827. Rig...
NGC 6793
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Stars/galaxy News
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NGC 6793 (also OCL 115) is a magnitude +11.5 open star cluster located 3,588 light-years away in the constellation Vulpecula. The cluster was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Slough, England on the 18th Ju...
NGC 6938
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Stars/galaxy News
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1070
NGC 6938 is a group of stars located in the constellation Vulpecula. The stellar grouping was discovered by German-British astronomer William Herschel using a 47.5 cm (18.7 inch) f/13 speculum reflecting telescope at Datchet, England on the 18th July 1784. Right Ascension 20h 34m 42.0s, Declina...
Supernova 1895B
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Supernovae
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SN 1895B was discovered by W. P. Fleming on 1895 December 12 (5 months after maximum) by examination of a spectrum plate taken on 1895 July 18. Read more Supernova 1895B in the galaxy NGC 5253 reached a maximum brightness of apparent magnitude 8.0 before fading Read more Right Ascension 13h 39m 55.9s,...
Supernova 1895B
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Supernovae
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SN 1895B was discovered by W. P. Fleming on 1895 December 12 (5 months after maximum) by examination of a spectrum plate taken on 1895 July 18. Read more Supernova 1895B in the galaxy NGC 5253 reached a maximum brightness of apparent magnitude 8.0 before fading Read more Right Ascension 13h 39m 55.9s,...
SDSS J090221.35+381941.9
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Stars
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Title: Superoutburst of SDSS J090221.35+381941.9: First Measurement of Mass Ratio in an AM CVn-Type Object using Growing Superhumps Author: Taichi Kato, Tomohito Ohshima (Kyoto U), Denis Denisenko, Pavol A. Dubovsky, Igor Kudzej, William Stein, Enrique de Miguel, Arne Henden, Ian Miller, Ki...
RR Lyrae stars
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Stars/galaxy News
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18585
Title: Carbon-rich RR Lyr type stars Authors: George Wallerstein, V. V. Kovtyukh, S. M. Andrievsky We have derived CNO abundances in 12 RR Lyrae stars. Four stars show [C/Fe] near 0.0 and two stars show [C/Fe] = 0.52 and 0.65. Red giant branch stars, which are known to be the predecessors of RR Lyrae st...
HD 217411
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Stars
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Title: Hubble Space Telescope Imaging and Spectroscopy of the Sirius-Like Triple Star System HD 217411 Author: Jay B. Holberg, Sharah L. Casewell, Howard E. Bond, Matthew R. Burleigh, Martin A. Barstow We present Hubble Space Telescope imaging and spectroscopy of HD 217411, a G3 V star associate...
Z CamPaign
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Astronomy News
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Z Campaign Name RA Dec Con Type Period Range RX And 01 04 35.50 +41 17 58.0 And UGZ (14) 10.3 - 14 V TZ Per 02 13 50.90 +58 22 53.0 Per UGZ (17) 12 - 15.6 V Z Cam 08 25 13.20 +73 06 39.0 Cam UGZ (22) 10 - 14.5 V AT Cnc 08 28 36.90 +25 20 03.0 Cnc UGZ (14) 12.3 - 14.6 p SY Cnc 09 01 03.32 +17 53 56.0 Cnc UGZ -- 10.6 - 14.0 p AH Her 16 4...
Gemini 10 mission
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Space missions
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1731
Today is the Anniversary of the Gemini 10 Launch in 1966 (John Young & Michael Collins). Gemini 10 (officially Gemini X) was a 1966 manned spaceflight in NASA's Gemini program. It was the 8th manned Gemini flight, the 16th manned American flight and the 24th spaceflight of all time (includes X-1...
Crater Theophilus
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The Moon
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850
Spoiler Theophilus crater taken through a 100mm refractor and Vesta pro webcam. Light yellow filter + UV + IR-cut filter. 2X achromatic Barlow lens.
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