AAVSO Alert Notice 395:
Discovered By: K. Nishiyama (Kurume, Fukuoka-ken, Japan) and F. Kabashima (Miyaki-cho, Saga-ken, Japan)
Discovery Date: 2009 April 21.711 UTC (JD 2454943.211)
Discovery Magnitude: m=11.7 (unfiltered)
Position: RA = 17h 44m 08.44s , Dec = -26d 05m 48.7s (from K. Kinugasa, S. Honda, and O. Hashimoto, Gunma Astronomical Obs.)
Charts: Finder … Read the rest of this article
AAVSO Alert Notice 394:Event: Nova in The Large Magellanic Cloud
Discovered By: W. Liller (Vina del Mar, Chile)
Discovery Date: 2009 February 05.067 UT (JD 2454867.567)
Discovery Magnitude: m=10.6 (Tech Pan photograph, unfiltered)
Position: RA = 05h 40m 44.20s , Dec = -66d 40m 11.6s (J2000; H. Bond et al.)… Read the rest of this article
AAVSO Alert Notice 392:Further to CBETs #1608 (Puckett and Langoussis; Daniel W.E. Green, editor) and #1610 (Dennefeld et al., and Yamanaka et al.) the supernova SN 2008hy has been identified as a Type Ia supernova, and is believed to be near maximum light (V=14.3 on 2008 Dec 07.13, JD 2454807.63; T. … Read the rest of this article
AAVSO Alert 387:Event: Nova in Aquila
Discovered by: K. Itagaki (Yamagata, Japan)
Discovery date: 2008 September 22.5 UTC (JD 2454732.0)
Discovery magnitude: m = 14.0 (unfiltered)
Position: RA = 19h 06m 28.58s , Dec = +07d 06m 44.3s (from Itagaki)
Charts: Finter charts for this object may be plotted using VSP:… Read the rest of this article
AAVSO Alert 378:
Request to monitor RE J1255+266 for HST Observations
May 5, 2008
Dr. Paula Szkody (University of Washington) and collaborators have requested our help in monitoring the cataclysmic variable RE J1255+266 for upcoming Hubble Space Telescope observations. Dr. Szkody requests nightly monitoring of this source beginning immediately, and continuing through 2008 May 15 UT.
RE J1255+266 is located … Read the rest of this article
V576 CarinaeMichael Sallman brought this variable to the attention of the AAVSO during a recent Chatroom discussion (if you haven’t tried AAVSO Chat, you should. It is one of the easiest ways to talk to the Director, and there are often interesting astronomy topics). V576 Car (AUID 000-BFQ-470) is located at:
08:19:15.71 -60:10:00.6 (J2000) (proper motion … Read the rest of this article
AAVSO Alert Notice 351Name:
TYC 1031 01262 1
ASAS 182611+1212.6
1821+12B (Harvard Designation)
ASAS182612 (AAVSO name)
Discovered by:
Pojmanski, G., Pilecki, B., Szczygiel, D. 2005, AcA 55, 275 and Antipin, S.V., Sokolovsky, K. V. and Ignatieva, T. I. 2007, astro-ph/0705.0605
Position (from Sonoita Research Observatory, UCAC2): Read the rest of this article
18:26:11.50 +12:12:35.0 (+/- 100mas)…
The Sun Now (Visible light)
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The Sun Now (H-Alpha light)
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Aurora Oval
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Aurora Oval
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