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markan
super member
Reged: 07/13/09
Posts: 126
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Could someone explain what is meant by validation?
Z And for example seems to have a variety of prevalidated observations. Thanks
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Sky-Watcher 100mm ED f/9 refractor
Sky-Watcher 200mm f/5 reflector
EQ5 mount, Orion SkyView AZ
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brianb11213
Carpal Tunnel
Reged: 02/25/09
Posts: 2076
Loc: 55.215N 6.554W
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Well I don't know about "unknown" but V, B, R & I are photoelectric / CCD measures using filters. V approximates to visual but the others can be very different, as the graph shows ... the extra brightness in the I band (infra red) and R band (red) and the lower brightness in the B band (blue) shows that the star is a cool object; the reducing spread recently shows that the star has become hotter (bluer) as the outburst occurs.
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walt r
Post Laureate
Reged: 02/13/07
Posts: 3458
Loc: Doylestown, PA
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At one time when the AAVSO received data it was validated by a person who looked at the data and compared it to previous data. If the data was within a reasonable range it was then validated. I did notice that data I submitted was validated within a few days.
About a year ago my data was showing as prevalidated right after being submitted. The data is now check for proper entry of the data fields (chart #, comp star, etc) for gross errors and marked Previladated.
Here and here are links the AAVSO validation process.
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Walt
Obsession 18" f/4.45 #1370 AN/SC
MK67 Deluxe 6" f/12 Mak-Cass, Super Polaris GEM, JMI MicroMax DSC
DIY 60mm f/6 Achromat
Cookbook 245 CCD
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markan
super member
Reged: 07/13/09
Posts: 126
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So if this is an interacting binary system, it's really 2 stars I'm looking at when I make an observation. I'm starting to see that Mira variables are red. I hope I get another look at this one before winter hits.
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Sky-Watcher 100mm ED f/9 refractor
Sky-Watcher 200mm f/5 reflector
EQ5 mount, Orion SkyView AZ
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