AKATSUKI Lightning and Airglow Camera (LAC) Data Archive

The science data obtained by Lightning and Airglow Camera (LAC) onboard the AKATSUKI (also known as Venus Climate Orbiter and PLANET-C) spacecraft are provided on this page.

Instrument Overview

LAC searches for lightning flashes and maps airglow emissions on the nightside disk of Venus.

Data Download, metadata, citation information

Definition of Product Level

Level 1 (l1)
raw data (count value in ASCII table)

File Naming Convention

Filename is in "CAM_DATE_TIME_KIND_SEQ_LEVEL_VER.EXT" format.

Name of the camera: lac for LAC.
date in UTC when image taken at in "YYYYMMDD" format, where YYYY is four-digit year (2010 -- 20??), MM is two-digit month (01 -- 12), and DD is two-digit day (01 -- 31): e.g., 20151211 for 2015-12-11.
time in UTC when image taken at in "hhmmss" format, where hh is two-digit hour (00 -- 23), mm is two-digit minutes (00 -- 59), and ss is two-digit seconds (00 -- 60): e.g., 123704 for 12:37:04.
kind of image type: lig for image taken with lightning observation mode, and atm for image taken with airglow observation mode.
sequence number of the day in four digit, started from 0001: e.g., 0002 for 2nd data.
level of product: l1.
version string: v10 for "version 1.0".
extension that represents file type: tab for table-type format text file, jpg for JPEG file, png for PNG file, and lbl for PDS3 label file.

Data Processing tools


When you publish your own work based on the AKATSUKI LAC data, please refer to the following paper(s):

Related Papers

Please see list of publications of AKATSUKI


For questions concerning this archive:

Shin-ya Murakami, Japan Aerospace Exploration Agency, murakami.shinya _AT_ jaxa.jp
Yukio Yamamoto, Japan Aerospace Exploration Agency, yamamoto.yukio _AT_ jaxa.jp

For questions concerning the data:

Yukihiro Takahashi, Hokkaido University, yukihiro _AT_ mail.sci.hokudai.ac.jp
Mitsuteru Sato, Hokkaido University, msato _AT_ ep.sci.hokudai.ac.jp
Masataka Imai, Kyoto Sangyo University, mstk-a.imai _AT_ frontier.hokudai.ac.jp