[vsnet-chat 397] Re: On the observations of N Sco

[Bill Dillon <bdillon@houston.geoquest.slb.com>]

Berto Monard wrote:

> with regard to the visual observations of N Sco 97 during the last
> 'days': is the nova actually rebrightening after a short and fast
> fade or is this just another dreadful consequence of the erroneous
> nature of GSC sequences. 
> Note the discrepancy between the HIC star at 11.2 wrt the GSC
> stars at 10.3, 10.8 and 11.5. Visually the 10.8 star looks brighter
> than the 10.3, and about 1.5 magnitude brighter than the 11.5 star!
> Just wondering....
> 

I too have found the 10.8 star to be brighter visually than the 10.3 star.
We certainly need to note our comparison stars when making
observations of N Sco 97, and should be prepared to revise our
estimates as sequences are improved.

Bill Dillon (DIL)
bdillon@houston.geoquest.slb.com      
http://vsnet.geocities.com/CapeCanaveral/7477/

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