Total observation span: March 2018 - JUly 2023

This release adds 2 months of observations to the 18th data release, up to 8 July 2023 for the public portion of the survey, and private survey time prior to 7 March 2022. The products include 50.6 million single-exposure images, 175 thousand co-added images, accompanying source catalog files containing 787 billion source detections extracted from those images, and 4.72 billion light curves constructed from the single-exposure extractions.
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Total observation span: March 2018 - May 2023

This release adds 2 months of observations to the 17th data release, up to 7 May 2023 for the public portion of the survey, and private survey time prior to 4 Jan 2022. The products include 49.6 million single-exposure images, 174 thousand co-added images, accompanying source catalog files containing 768 billion source detections extracted from those images, and 4.70 billion light curves constructed from the single-exposure extractions.
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Total observation span: March 2018 - March 2023

This release adds 2 months of observations to the sixteenth data release, up to 9 March 2023 for the public portion of the survey, and private survey time prior to 6 Nov 2021. The products include 48.7 million single-exposure images, 174 thousand co-added images, accompanying source catalog files containing 756 billion source detections extracted from those images, and 4.66 billion light curves constructed from the single-exposure extractions.
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Total observation span: March 2018 - Jan 2023

This release adds 2 months of observations to the fifteenth data release, up to 7 Jan 2023 for the public portion of the survey, and private survey time prior to 6 Sept 2021. The products include 45.4 million single-exposure images, 172 thousand co-added images, accompanying source catalog files containing 745 billion source detections extracted from those images, and 4.64 billion light curves constructed from the single-exposure extractions.
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Total observation span: March 2018 - Nov 2022

This release adds 2 months of observations to the fourteenth data release, up to 9 Nov 2022 for the public portion of the survey, and private survey time prior to 9 July 2021. The products include 45.9 million single-exposure images, 172 thousand co-added images, accompanying source catalog files containing 728 billion source detections extracted from those images, and 4.58 billion light curves constructed from the single-exposure extractions.
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Total observation span: March 2018 - Sept 2022

This release adds 2 months of observations to the thirteenth data release, up to 8 Sept 2022 for the public portion of the survey, and private survey time prior to 8 May 2021. The products include 43.8 million single-exposure images, 171 thousand co-added images, accompanying source catalog files containing 701 billion source detections extracted from those images, and 4.47 billion light curves constructed from the single-exposure extractions.
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Total observation span: March 2018 - July 2022

This release adds 2 months of observations to the twelfth data release, up to 8 July 2022 for the public portion of the survey, and private survey time prior to 7 March 2021. The products include 41.7 million single-exposure images, 168 thousand co-added images, accompanying source catalog files containing 671 billion source detections extracted from those images, and 4.37 billion light curves constructed from the single-exposure extractions.
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Total observation span: March 2018 - May 2022

This release adds 2 months of observations to the eleventh data release, up to 7 May 2022 for the public portion of the survey, and private survey time prior to 4 January 2021. The products include ~39.6 million single-exposure images, ~165,500 co-added images, accompanying source catalog files containing ~645 billion source detections extracted from those images, and 4.3 billion light curves constructed from the single-exposure extractions.
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Total observation span: March 2018 - March 2022

This release builds upon the 10th data release to include products from (i) an additional 2 months of survey operations from the public portion of the survey up to 9 March 2022, and (ii) data acquired under private survey time prior to 6 November 2020. The private surveys include observational programs awarded by Caltech and performed by the ZTF collaboration.
The products include ~38 million single-exposure images, ~164,400 co-added images, accompanying source catalog files containing ~628 billion source detections extracted from those images, and 4.2 billion light curves constructed from the single-exposure extractions.
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Total observation span: March 2018 - Jan 2022

This release builds upon the ninth data release to include products from (i) an additional 2 months of survey operations from the public portion of the survey up to 5 January 2022, and (ii) data acquired under private survey time prior to 4 September 2020. The private surveys include observational programs awarded by Caltech and performed by the ZTF collaboration.
The products include ~36 million single-exposure images, ~163,000 co-added images, accompanying source catalog files containing ~600 billion source detections extracted from those images, and over 4 billion light curves constructed from the single-exposure extractions.
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Total observation span: March 2018 - Nov 2021

This release builds upon the eighth data release to include products from (i) an additional 2 months of survey operations from the public portion of the survey, giving a total observation span of March 2018 - 5 Nov 2021, and (ii) data acquired under Caltech or ZTF collaboration private survey time until 5 July 2020.
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Total observation span: March 2018 - Sept 2021

This release builds upon the seventh data release to include products from (i) an additional 2 months of survey operations from the public portion of the survey, giving a total observation span of March 2018 - September 2021, and (ii) data acquired under private survey time during the first ~25.5 months of the survey, spanning March 2018 - May 2020. The private surveys include observational programs awarded by Caltech and performed by the ZTF collaboration.
The products include ~32.5 million single-exposure images, ~161,000 co-added images, accompanying source catalog files containing ~520 billion source detections extracted from those images, and ~4 billion lightcurves constructed from the single-exposure extractions.
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Total observation span: March 2018 - June 2021

This release builds upon the sixth data release to include products from (i) an additional 3 months of survey operations from the public portion of the survey, giving a total observation span of March 2018 - June 2021, and (ii) data acquired under private survey time during the first ~21.4 months of the survey, spanning March 2018 - February 2020. The private surveys include observational programs awarded by Caltech and performed by the ZTF collaboration.
The products include ~30.9 million single-exposure images, ~157,000 co-added images, accompanying source catalog files containing ~495 billion source detections extracted from those images, and ~3.7 billion lightcurves constructed from the single-exposure extractions. Note: transient alerts extracted from difference-images commenced public distribution on June 4, 2018. These alerts continue to be generated and distributed as the public survey proceeds.
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Total observation span: March 2018 - April 2021

This release builds upon the fifth data release to include products from (i) an additional 3 months of survey operations from the public portion of the survey, giving a total observation span of March 2018 - April 2021, and (ii) data acquired under private survey time during the first ~21.4 months of the survey, spanning March 2018 - December 2019. The private surveys include observational programs awarded by Caltech and performed by the ZTF collaboration.The products include ~28.5 million single-exposure images, ~157,000 co-added images, accompanying source catalog files containing ~439 billion source detections extracted from those images, and ~3.7 billion lightcurves constructed from the single-exposure extractions. Note: transient alerts extracted from difference-images commenced public distribution on June 4, 2018. These alerts continue to be generated and distributed as the public survey proceeds.
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Total observation span: March 2018 - Jan 2021

This release builds upon the fourth data release to include products from (i) an additional 7 months of survey operations from the public portion of the survey, giving a total observation span of March 2018 - January 2021, and (ii) data acquired under private survey time during the first ~18.4 months of the survey, spanning March 2018 - September 2019. The private surveys include observational programs awarded by Caltech and performed by the ZTF collaboration. The products include ~24.8 million single-exposure images, ~153,000 co-added images, accompanying source catalog files containing ~350 billion source detections extracted from those images, and ~3.6 billion lightcurves constructed from the single-exposure extractions. Note: transient alerts extracted from difference-images commenced public distribution on June 4, 2018. These alerts continue to be generated and distributed as the public survey proceeds.
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Total observation span: March 2018 - June 2020

This release builds upon the third data release to include products from (i) an additional 6 months of survey operations from the public portion of the survey, giving a total observation span of March 2018 - June 2020, and (ii) data acquired under private survey time during the first ~15.4 months of the survey, spanning March 2018 - June 2019. The private surveys include observational programs awarded by Caltech and performed by the ZTF collaboration. The products include ~18.5 million single-exposure images, ~144,000 co-added images, accompanying source catalog files containing ~296 billion sources extracted from those images, and ~2.7 billion lightcurves constructed from the single-exposure extractions. Note: transient alerts extracted from difference-images commenced public distribution on June 4, 2018. These alerts continue to be generated and distributed as the public survey proceeds.
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Total observation span: March 2018 - Dec 2019

This release builds upon the second data release to include products from (i) an additional 6 months of survey operations from the public portion of the survey, giving a total observation span of March 2018 - December 2019, and (ii) data acquired under private survey time during the first ~9.4 months of the survey, spanning March 2018 - December 2018. The private surveys include observational programs awarded by Caltech and performed by the ZTF collaboration. The products include ~13.5 million single-exposure images, ~138,000 co-added images, accompanying source catalog files containing ~234 billion sources extracted from those images, and ~2.5 billion lightcurves constructed from the single-exposure extractions. Note: transient alerts extracted from difference-images commenced public distribution on June 4, 2018. These alerts continue to be generated and distributed as the public survey proceeds.
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Total observation span: March 2018 - June 2019

This release builds upon the first data release to include products from (i) an additional 6 months of survey operations from the public portion of the survey, giving a total observation span of March 2018 - June 2019, and (ii) data acquired under private survey time during the first ~3.4 months of the survey, spanning March 2018 - June 2018. The private surveys include observational programs awarded by Caltech and performed by the ZTF collaboration. The products include ~6.9 million single-exposure images, ~135,000 co-added images, accompanying source catalog files containing ~106 billion sources extracted from those images, and ~2 billion lightcurves constructed from the single-exposure extractions. Note: transient alerts extracted from difference-images commenced public distribution on June 4, 2018. These alerts continue to be generated and distributed as the public survey proceeds.
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Total observation span: March 2018 - Dec 2018

This release includes data products from the public portion of the survey spanning March to December, 2018. The products include ~3.4 million single-exposure images, ~102 thousand co-added images, accompanying source catalog files containing ~63 billion sources detected from those images, and ~2 billion lightcurves constructed from the single-exposure extractions. Note: transient alerts extracted from difference-images commenced public distribution on June 4, 2018. These alerts continue to be generated and distributed as the public survey proceeds.
Guide    Access