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no aavso check stars available for image when plenty available in table form?

gboyle's picture
gboyle
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Joined: 2011-03-29

am beginner so apols if this is basic!

i am trying to practice with image of RX AND as this was top of the list of easy variables to try.
i used GRAS 001. images are 180 secs long and i have clear, U and R images to work with.
the relevant AAVSO chart looks to be 4950atce and on this there are a number of stars marked 143, 122, 118 etc.
when i open my image and ask for variables to be marked VPHOT marks Rx And in green.
when i ask for comparison stars i get a message saying that none are available or that the AAVSO Service may not be available.
i was surprised that RX And would not have any comp stars in an image that is the same as the chart and approx half a degree wide.
when i select "show aavso sequence" - ie ask for the tabular data this appears without a problem in table form with plenty of comp stars

am i missing something i need to do to get the aavso comp stars to display on my image?

thank you
gavin

Commiseration
HOA's picture
HOA
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Joined: 2011-03-09

Don't feel alone - I've been getting the same error message about lack of AAVSO comp stars for the past two days or so. Up until now, it's worked great!

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484