[vsnet-chat 5379] Re: V4641 Sgr: observations from last night

[aah@nofs.navy.mil]

At first glance, it looks like Gianluca's C2 is slightly variable.
Could you find the star in
http://ftp.nofs.navy.mil/pub/outgoing/aah/sequence/v4641sgr.dat
and let us know what the UBVRI magnitudes/colors are?  Just as
a reminder to all observers, Bruce Sumner has created a photometric
sequence for this field, also found at
http://ftp.nofs.navy.mil/pub/outgoing/aah/sequence/sumner/v4641sgr.dat
You will need to worry about blending/neighbors in this crowded field
if you want to do high-quality photometry.
Arne

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