(meteorobs) All-sky survey images needed for photometry

[Dr. S.Aguirre]

Hi Christophe.

The Alf Com was Cancelled.

http://www.aavso.org/aavso-special-notice-395

Salvador.


2015-01-19 12:50 GMT-07:00 <chrismlt at laposte.net>:

>  Dear all,
>
> It has been some time since I have not sent a message to the list, but I
> continue to read it regularly.
>
> In fact, this message will be off-topic, and I hope you will forgive me .
>
> I'm seeking for images of type " all-sky survey" captured between October
> 15 and December 20 of last year ( 2014).
>
> Some sky-surveillance images for shooting stars would undoubtedly be of
> great help .
>
> An observing campaign of the double star Alf Com was launched by the AAVSO
> a few weeks ago. This star is supposed to present eclipses every 25.8
> years. Initially, it was determined that the eclipse was to occur on 25
> January 2015. It is now foreseen that this eclipse may have occurred
> « sometimes » during last fall, most probably in november.
>
> Can you check if you have these archived images for the period from
> October 15, when the star appeared in the sky at dawn just before sunrise,
> to December 20 , date from which we have a good photometric monitoring of
> the star.
>
> In ordinary times, Alf Com shines at 4.32 Vmag, so any image with a
> sensitivity in the range of mag 4.5 or better should be great.
>
> If you have such archived images, it would be very nice to let me know, or
> to tell me how I can access them. I would, of course, do all the process to
> ckeck for the star and make all the needed photometry.
>
> Anyway, if you know where I can locate this sort of images, it would be of
> great help too, as all images will be useful.
>
> If we do not find this eclipse on archived images right now, we will need
> to wait until the year 2041.
>
> The current photometry for Alf Com can be found here :
>
>
> https://millimagjournal.wordpress.com/alpha-comae-berenices-eclipse-2014-2015-observations/
>
>  Many thanks in advance.
>
>  Christophe
>
> _______________________________________________
> meteorobs mailing list
> meteorobs at meteorobs.org
> http://lists.meteorobs.org/mailman/listinfo/meteorobs
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.meteorobs.org/pipermail/meteorobs/attachments/20150119/d4b6761f/attachment.html