Auroral monitoring observation at Syowa Station
Instruments（2023, JARE-64）
EAI
1&2

Electron Aurora Imager
All-sky monochoromatic imager

Back-illuminated Cooled digital CCD camera
EAI-1: 427.8nm (FWHM:3.2nm), exp: 2sec, int: 15sec, 512x512
EAI-2: 557.7nm (FWHM:1.8nm), exp: 2sec, int: 15sec, 512x512

PAI
1&2

Proton Aurora Imager
All-sky monochoromatic imager

Back-illuminated Cooled digital CCD camera
PAI-1: 485.0nm (FWHM:1.6nm), exp: 7sec, int: 15sec, 64x64
PAI-2: 480.5nm (FWHM:2.8nm), exp: 7sec, int: 15sec, 64x64

CDC

Color Digital CameraAll-sky camera

Sony α6300
Exposure: 2sec, interval: 10sec

Watec

All-sky TV camera

Watec WAT-120N+ （video signal, exp: 16frame, 3Hz/10sec）
Watec WAT-910HX （video signal, exp: 4frame, 7Hz/1sec）

WMI

Watec Monochromatic Imager
All-sky camera

Watec WAT-910HX, 4 sets
1. 430nm (FWHM: 10nm), exp: 64 field, int: 1sec, 640x480
2. 560nm (FWHM: 10nm), exp: 32 field, int: 1sec, 640x480
3. 486nm (FWHM: 10nm), exp:256 field, int: 5sec, 640x480
4. 480nm (FWHM: 10nm), exp:256 field, int: 5sec, 640x480

SPM

8-color Meridian Scanning
Photometer

Photomultiplier、20Hz recording, 180deg/10sec scan
Proton： 482.5, 483.5, 484.5, 485.5, 486.5, 487.5 nm
Electron： 670.5, 844.6 nm

Auroral Monitoring Observation at Syowa Station
 Electron Auroral Imager ： EAI-1(427.8nm), EAI-2(557.7nm)
 Proton Auroral Imager ： PAI-1(485.0nm), PAI-2(480.5nm)
 Color Digital Camera： CDC

EAI-1

EAI-2

Electron AuroralImager
Fisheye-Nikkor
16mm F2.8

Electron AuroralImager

PAI-1

Fisheye-Nikkor
16mm F2.8exp.:2secint.: 15sec
16bit

exp.:2secint.: 15sec
16bit

PAI-2CDC

Proton Auroral
Proton Auroral
Color Digital Camera
ImagerImagerFisheye-Nikkor
Fisheye-Nikkor
Meike Fisheye 6.5mm/F2.0
16mm F2.8
16mm F2.8
exp.:7sec
exp.:7sec
Sonyint.: 15sec
int.: 15sec
α6300
Binning: 8x8
Binning: 8x8
Gain: 255
Gain: 255
exposure:2sec
12bit
12bit
interval: 10sec

filter427.8(3.2)

filter557.7(1.8)

filter
485.0(1.6)

filter480.5(2.8)

CCD
cameraCCDcamera

CCD
cameraCCDcamera

PC (Linux)

NAS

CCD
controller

CCD
controller

CCD
controller

CCD
controller

PC

PC

PC

PC

HDD

HDD

HDD

HDD

LAN

Auroral Monitoring Observation at Syowa Station
 All-sky TV camera： Watec
 8-color Meridian Scanning Photometer (SPM)

Watec1

Watec2SPM

Fisheye Fujinon Fisheye Fujinon
YV2.2X1.4A
YV2.2X1.4A
WAT910HX/RC
Δt=4frm

WAT-120N+
Δt=16frm

VideoTimer

Video
Timer

Video
Server

DVR-1
3Hz, 1TB

DVR-2
7Hz, 4TB

MonitorMonitorNAS

Scanning Photometer482.5 (0.6)、483.5 (0.6)、
484.5 (0.6)、485.5 (0.6)、486.5 (0.6)、487.5 (0.6)、670.5 (5.0)、844.6 (0.6) nm

Controller 10sec/180deg
20Hz,PC(WinXp) 16bit

LANAuroral Monitoring Observation at Syowa Station
 Watec Monochromatic Imager (WMI)
Fish eye lens

(1,4: Fujinon YV2.2X1.4A
2,3: Spacecom,TV1634DC)

1: 430nm(10nm)
WAT910HX/RC
Δt=64fld

2: 560nm(10nm)

3:486nm(10nm)

WAT910HX/RC
Δt=32fld

WAT910HX/RC
Δt=256fld

24

1

3

4:480nm(10nm)

WAT910HX/RC
Δt=256fld

Video encoder (AXIS Q7404)
ch1/2/3/4: 192.168.12.4/.5/.6/.7
ftp data: 1/1/5/5s, 20/20/20/20s
1min (real time)Power tap

8ch HUB

mousekeyboard
display

PC(Ubuntu –ja-22.04)
memory:16GB, SSD:500GB
ftp data: 20s, 20s, 20s, 20s,1min (real time)NAS
10TB x 2, RAID1
ftp data: 1s, 1s, 5s, 5s

RouterLANVideo
NetworkPowerPower tap
UPS

USB
HDMI

Optical Instruments at Syowa Station in 2023

EAI-2
PAI-1
EAI-1

CDC

Watec1,2
WMI
PAI-2

HAIZWOASI (IRcam)

All-Sky airglow Imager

SPM