Dear colleagues,

We are pleased to announce the release of new v0 5 HST mosaics obtained on the cluster MACSJ0717 5+3745, from the observations of this target from our Frontier Fields program ID 13498 (PI: J Lotz) This release brings the total depth of Epoch 1 data from this program to 62 orbits so far, in addition to archival ACS and WFC3/IR data (programs 9722 and 10420, PI : H Ebeling; programs 10493 and 10793, PI : A Gal-Yam; program 12103, PI : M Postman; program 13389, PI : B Siana; and program 13459, PI : T Treu) These full-depth mosaics include all these data, and are all astrometrically aligned to the previous mosaics obtained of this target Further details are provided in the readme file, which can be obtained along with all the mosaics at the following link:

• Latest mosaics: http://archive stsci edu/pub/hlsp/frontier/macs0717/images/hst/v0 5-20141107/
• All mosaics: http://archive stsci edu/prepds/frontier/macs0717 html

[please note: some intermittent network downtime at STScI may occur this coming Saturday, but this is expected be temporary]

More general information about the data for the Frontier Fields project can be obtained from our Frontier Fields MAST archive website: * http://archive stsci edu/prepds/frontier/ as well as our main Frontier Fields HST project website: * http://www stsci edu/hst/campaigns/frontier-fields/ and our Frontier Fields astronomer's blog and other social media: * https://blogs stsci edu/hstff/ * https://twitter com/MAST_News/ * https://facebook com/MASTArchive/

We hope that these high-level science products are useful for your research, and we welcome any suggestions or questions that you may have about them

Best regards, Anton Koekemoer and the STScI Frontier Fields Team http://archive stsci edu/prepds/frontier/ http://www stsci edu/hst/campaigns/frontier-fields/Contact

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