Total observation span: March 2018 - Oct 2023

This release adds 4 months of observations to the 19th data release, up to 31 October  2023 for the public portion of the survey, and private survey time prior to 30 June 2022. The products include 53.5 million single-exposure images, 176 000 co-added images, accompanying source catalog files containing 828 billion source detections extracted from those images, and 4.75 billion light curves constructed from the  single-exposure extractions.
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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