The interesting RCB star(DYPer sub group) Z UMi is fading slowly... Aug 7.96 11.2 10.95 11.3 19.95 11.5 25.93 11.7 30.96 11.8 31.93 11.9 regards, Gary ...
Latest observation of Eta Gem: 11 Sep 1510GMAT Epsilon(1)V(2)FL1 3.4 12x50B Some observers are using Mu Gem as a comparison star because of its...
John Toone
xvh01@...
Sep 12, 2004 10:17 am
139
John, Thanks for the alert. I am now operational with calibrated V- and I-band filters so I can measure both the V mags of Eps, Fl1 and Mu Gem, as well as the...
The unusual (cool) RCB star DY Per is now at an historical minimum. Latest observation made just under an hour ago was... Sep 15.05 UT, 15.7 visual. DY Per...
John, Early this morning (16th) at about 1445GMAT I imaged the relevant stars with V and I filters. Results relative to Hipparcos stars as follows: JD...
Below is a sequence for ASAS002511 based on a single night calibration from Arne Henden. Four bright V magnitudes from ASAS-3 are included in the notes. AAVSO...
Richard, Many thanks for these measurements. The measurement for Mu is particularly important and it was nice to see Eta confirmed at mag 3.4. If you get ...
John Toone
xvh01@...
Sep 17, 2004 5:07 pm
145
Image ASAS I have posted my latest image of ASAS002511 taken on September 2004. http://astrosurf.com/blazar/variable/UG04/V-ASAS.jpg ASAS002511 SEP 17.9549...
John I think we should be wary of saying that a CCD(V) measurement confirms an individual visual estimate as this could be misinterpreted as implying that ...
Tony Markham
tonymarkham@...
Sep 18, 2004 1:56 pm
147
Tony, I fully agree with all your comments. The remark on the 3.38 CCD(V) and 3.4 visual observations merely means that my eye response to the colours...
John Toone
xvh01@...
Sep 18, 2004 7:22 pm
148
AAVSO charts will be released soon. Mike Simonsen (SXN) C. E. Scovil Observatory Imlay City, MI, USA http://home.mindspring.com/~mikesimonsen/ ASAS 002511 ...
AG Draconis 2004 Sep 18, 2000 (GMAT) G+3, F-5 9.8 (class 2) B70x16 mounted Melvyn Taylor Wakefield, West Yorkshire [Non-text portions of this message have...
melvyn.taylor
melvyn.taylor@...
Sep 19, 2004 12:24 pm
151
FYI According to the most recent observations of Glen Chaple (13.1 mag) and Jean Gunther (12.5 mag) reported to the AAVSO, the UG star CH UMa seems to have its...
Clody to day ,but get a short look and image of Supernova 2004et, using the AAVSO chart "203260f NGC6946-SN1980" and comparing stars 131 and 137 north of SN. ...
Hello hans-goran The AAVSO f chart for SN 2004et shows some kind of V or vis mags. Right ? The AAVSO symbol defs are: CCD = Charge-coupled device (unfiltered) ...
New AAVSO charts with Henden photometry are ready to be released. I thought they were already online, but apparently not. Below is the sequence for anyone...
... unfiltered Kodak KAF or Texas Instruments TC chip. << I use a Texas Instruments TC255P Frame Transfer CCD Sensor Black & White sensor h-g ... From:...
... They are online as of last night. Mike did a great job on this beautiful field! http://www.aavso.org/cgi-bin/searchcharts3.pl?name=sn%202004et Aaron...
... There might be currently not much difference with SN 2004et as the color index is nearly zero, but the general rule should be obeyed as otherwise the...
Special thanks to Robert James (JM) and Mike Koppelman (KMP) for their observations of IL Aqr during the last week. It seems to have been pretty stable. Below...
Ok, thanks. My friend was taken a image of PV Cep last night 12oct. ,looks like the star is in outburst, image at: http://w1.217.telia.com/~u21702586/pvcep.htm...
Members will recall that Robert Smith (Sussex University) asked for observations of these two stars over the summer months (see VSSC 119). If anyone has any...
Members who are attending this meeting are reminded there is plenty of room for display material, both posters and hardware etc, that they may wish to bring...
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