| 2022-08-18 |
ThAr1 HLA1421 out, HOK0933 in, Halo1 changed |
| 2022-08-18 |
re-arranged energy chain WiFSIP |
| 2022-08-17 |
WiFSIP Cryotiger 4 235 psi, new connector on supply side coldhead |
| 2022-08-16 |
added some clearance (2/10mm) for calibration stage SES |
| 2022-08-15 |
STELLA-1 / WiFSIP: Vacuum pumped |
| 2021-10-17 |
ASIVA restarted |
| 2021-10-17 |
removed supply pressure sensor from WiFSIP Cryotiger, added gas |
| 2021-10-16 |
Update Becky-roof software |
| 2021-10-15 |
installed Cryotiger 4 for Wifsip, added pressure sensors |
| 2021-10-15 |
discarded Cryotiger 7 (leak) |
| 2021-10-14 |
WiFSIP pumped |
| 2021-06-22 |
STELLA-1 M3 cleaned |
| 2021-06-21 |
STELLA-2 M1 cleaned |
| 2021-06-21 |
STELLA-1 / WiFSIP: Cryotiger hoses (15m) and external filter exchanged |
| 2021-06-21 |
STELLA-1 / WiFSIP: Vacuum pumped |
| 2021-06-21 |
archive (161.72.132.71) finally replaced, old archive is now oldarchive |
| 2021-06-20 |
filled Cryotiger 7 & replaced its internal filter, re-connected to WiFSIP |
| 2021-06-20 |
filled Cryotiger 4 & replaced its internal filter |
| 2021-06-18 |
archive: swapped SSD (drive 0) |
| 2021-05-18 |
Firewall change (kept old SSD drive) (IAC, GREGOR) |
| 2021-03-23 |
thar1 Nr HLA1421 in ( HHL1055 out) (IAC) |
| 2021-03-23 |
thar2 Nr HLA1423 in ( HLA1423 out) (IAC) |
| 2020-12-14 |
halo2 lamp change (IAC) |
| 2019-10-14 |
SES shutter & calibration unit connected to serial3, serial2 removed |
| 2019-10-13 |
STELLA-2 agunit connected to local network (gige2,guider2,serial2) |
| 2019-10-13 |
new local network switch (Gbit) |
| 2019-10-13 |
new sky computer, oldsky still online, setup of new archive/wifsip |
| 2019-10-12 |
STELLA-1 old adapter disconnected (but aux1 still online) |
| 2019-10-11 |
Gbit switch connected in lounge, cables cleaned up |
| 2019-10-11 |
New STELLA-2 cable, but no change: module is broken |
| 2019-09-30 |
WiFSIP CCD pumped Miguel/IAC |
| 2019-05-13 |
WiFSIP CCD pumped |
| 2019-05-14 |
Mirror cover drives STELLA1 lubricated |
| 2019-05-13 |
Mirror cover hinches & drives STELLA2 repaired & lubricated |
| 2019-05-11 |
Updated STELLA2-rackpc ntp startup script with ntpdate command,
created hwclock command & updated hwclock |
| 2019-05-10 |
STELLA2-archive network cable exchanged |
| 2019-05-10 |
new fiber network cable to STELLA2, connected as second uplink |
| 2019-05-10 |
New bearings in most (exept most outward) roof guide wheels |
| 2019-05-09 |
STELLA1 & STELLA2 hydraulic oil change, oil filter change |
| 2019-05-08 |
Tightened roof wheels to specs (130Nm), drilled access holes for roof wheels where necessary |
| 2019-02-26 |
ASIVA lenses cleaned, taped temp-sensors cable. |
| 2019-02-26 |
Halo2 lamp changed |
| 2019-02-25 |
STELLA2 extraction pump exchanged phases (ran wrong way), cleaned up oil spill |
| 2019-02-15 |
STELLA2 pump motor-cable changed to shielded (2 short pieces) |
| 2019-02-14 |
STELLA2 pump motor-cable changed to shielded (long piece) |
| 2019-02-14 |
STELLA1 M1/M3 cleaned |
| 2019-02-12 |
STELLA2 M1 cleaned |
| 2019-02-12 |
topped up Cryotiger 7, replaced WiFSIP external filter unit & female/female coupler |
| 2019-02-12 |
connected Cryotiger #7 (S/N 1511CHE11116) to WIFSIP (instead of #6), recharged 6 and put in storage |
| 2019-02-11 |
STELLA1-focus-drive cleaned & lubricated |
| 2019-02-11 |
STELLA1 short pump motor-cable changed to shielded |
| 2019-02-11 |
connected Cryotiger #6 instead of 3, trashed 3 |
| 2019-02-09 |
re-connected dust sensor after repair |
| 2019-02-08 |
WiFSIP new 15m flex hoses, pulled electric cables a bit through, filled gas, connected Cryotiger 3 |
| 2018-11-27 |
mittlere Längsführungsrollen kontrolliert & nachgezogen |
| 2018-11-27 |
STELLA-1 pump motor-cable changed to shielded (but not the last 1m at the pump) |
| 2018-11-26 |
vacuum WiFSIP |
| 2018-11-26 |
fuse at ASIVA turned on again |
| 2018-11-26 |
halo2 moved back a bit (same position as halo1) |
| 2018-11-26 |
thar1 lamp changed new HHL1055 (old HHL0229) |
| 2018-10-30 |
ses PE connections changed |
| 2018-10-30 |
new version roof control software |
| 2018-10-29 |
roof serviced (new limit switch positions; longitudinal guide rolls secured & adjusted) |
| 2018-10-28 |
softstarter statt motor relays in stella1 & 2 racks |
| 2018-10-25 |
Dehumidifier connected |
| 2018-10-25 |
WiFSIP CCD changed to new STA 4150A |
| 2018-10-25 |
io3 & io1 moved to calibration switch (io5) |
| 2018-10-25 |
STELLA roof control changed to individual limit switches |
| 2018-06-01 |
Power supply for io1 & io2 replaced |
| 2018-04-13 |
STELLA1 and STELLA2 level adjusted |
| 2018-04-13 |
big A/C filter cleaned |
| 2018-04-12 |
STELLA2 alt K80 changed to 1000 (was 2000 or 3000) |
| 2018-04-11 |
roof drive gear oil changed |
| 2018-04-11 |
ASIVA drive installed & started |
| 2018-01-22 |
STELLA-1 replaced ETEL Az / Rob-X20 controller with Spare-Az |
| 2018-01-22 |
STELLA-1 replaced ETEL Az controller with Rob-X20 & power supply |
| 2017-10-14 |
removed ASIVA roof drive |
| 2017-07-11 |
removed ASIVA roof drive |
| 2017-07-11 |
refilled Cryotiger #4 (complete system refill, 225psi) |
| 2017-07-11 |
WiFSIP new cryotiger hoses (just the two 15m hoses) |
| 2017-07-11 |
WiFSIP vacuum |
| 2017-05-11 |
SES vacuum |
| 2017-04-07 |
WiFSIP vacuum |
| 2017-04-07 |
ThAr2 Nr HLA1422 in (B68776 out) |
| 2017-04-06 |
Baycam ethernet via Beckoff 100Mbit fiber switch, power via roof control |
| 2017-04-06 |
Old-AGunit (STELLA-1, fiber feed) now power from PDU3 (auxiliary1 is powered via thus unit) |
| 2017-04-06 |
New roof control, Beckhoff, weather station electronics |
| 2017-01-09 |
switch SES calibration from ThAr2 to ThAr1 |
| 2016-12-22 |
ASIVA chain gear fixed |
| 2016-12-20 |
SES & CCD with new CF-Cards. |
| 2016-12-20 |
1Gbit uplink |
| 2016-12-20 |
WiFSIP vacuum |
| 2016-12-19 |
New firewall hardware, upgraded to leaf-Bering v6 |
| 2016-12-17 |
Debian 8 on sky, archive, wifsip |
| 2016-12-17 |
Debian 8 on sky, archive, wifsip |
| 2016-08-02 |
ASIVA cleaned & calibration run |
| 2016-08-01 |
ASIVA chain gear fixed |
| 2016-08-01 |
WiFSIP pressure gauge changed & pumped |
| 2016-07-31 |
Weatherstation 2 - new brightness & additional rain2trigger sensors |
| 2016-07-30 |
new WiFSIP network-fibre connection Gbit |
| 2016-07-09 |
STELLA-1 M1 cleaned |
| 2016-07-08 |
Halo1 & Halo2 changed (Daniel) |
| 2016-07-07 |
STELLA-1 derotator controller exchanged |
| 2015-08-19 |
changed ThAr1 (new Photon HHL0529, old HHL0530) |
| 2015-08-17 |
pumped & baked WiFSIP dewar |
| 2015-08-17 |
cleaned ASIVA lens, put seals to ASIVA rack, fixed gearbox, fixed sky computer |
| 2015-08-17 |
cleaned M1 STELLA2 |
| 2015-08-17 |
modified roof control for manual control |
| 2015-08-16 |
exchanged roof control modules 0C, 0E after lightning |
| 2015-08-16 |
connected STELLA2 AG-unit via Gbit fiber directly to central ethernet switch |
| 2015-08-16 |
replaced Cryotiger SES (Cryotiger #2) with new Cryotiger #5 (S/N L12432555),
pressure before connecting 255psi, after connecting 235psi |
| 2015-08-15 |
old pressure sensor back to SES, new seal, cleaned seal, pumped & baked SES dewar |
| 2015-08-14 |
electrical power distribution cleaned up, new PDU4, new fuses |
| 2015-08-13 |
connected Cryotiger #4 again (instead of #3) |
| 2015-08-13 |
re-connected Filter unit, swapped hoses back to normal orientation, new pressure 220psi |
| 2015-08-13 |
purged the WiFSIP cold head with ISO-Propanol |
| 2015-07-28 |
ThAr1 lamp defect, changed to ThAr2 |
| 2015-07-08 |
Rebooted STELLA1-tcc because landolt stars looked like donuts |
| 2015-06-24 |
pumped SES |
| 2015-06-24 |
pumped WiFSIP |
| 2015-06-24 |
replaced SES-CCD pressure sensor & replaced signal cable. Old sensor in spare parts cabinet |
| 2015-06-24 |
removed filter unit on WiFSIP Cryosystem, switched supply/return on Cryotiger side |
| 2015-06-23 |
replaced 1wire calib switches with moxa-io switch,
also on this device telescope 1 & 2 rack reset, lamp control |
| 2015-06-23 |
attached Cryotiger #3, refilled Cryotiger #4, filter unit,15m hoses,
moved WiFSIP Cryotiger to E-room, added 5m hoses as extensions |
| 2015-06-23 |
fixed network issue on STELLA1-aux guider cam, new replacement board in cupboard |
| 2015-05-06 |
temporarily fixed broken ASIVA hatch mechanism |
| 2015-05-06 |
replaced WiFSIP Cryotiger #4 (70psi) & hoses & filter with spares (Cryotiger #3, > 200psi) |
| 2015-04-08 |
SES pumped remotely |
| 2015-02-23 |
Pfeiffer vacuum pump attached to SES permanently, and remote controlled |
| 2015-02-21 |
ThAr2 Nr B68776 in ( B00876 out) |
| 2015-02-19 |
STELLA2 guider gige1 (instead of firewire cam) |
| 2014-07-02 |
WiFSIP shutter/off-axis guider problems,
reboots and resets of WiFSIP instrument and computer on July 2 & 3 |
| 2014-06-20 |
SES CCD vacuum pumped - IAC/Ignacio |
| 2014-06-18 |
new UPS installed (Newave Upscale) - IAC |
| 2014-05-12 |
(electronics room) A/C repaired |
| 2014-05-11 |
STELLA-2 M1 cleaned reflectivity was 77/77/75/64, is 89/89/86/74 |
| 2014-05-10 |
STELLA-1 CCD centred a bit better, M2 aligned (less Coma) |
| 2014-05-10 |
STELLA-1 M1, M2 and M3 cleaned, reflectivity was 75/69/71/69, 91/89/88/76, 83/82/81/68,
is (M1,2,3) 82/86/88/81, 91/91/89/77, 95/95/93/80 |
| 2014-05-09 |
VdN lightmeter cleaned |
| 2014-05-09 |
ASIVA lenses cleaned |
| 2014-05-09 |
ASIVA new chains in the hatch drive transmission |
| 2014-05-09 |
Weatherstation 2 new T/H sensor, new analog Rain sensor |
| 2014-05-08 |
SES readout window changed |
| 2014-05-06 |
STELLA2 corrector cleaned |
| 2014-05-06 |
SES pinhole change to 200mu |
| 2014-05-06 |
SES dewar vacuum gepumpt |
| 2014-05-06 |
SES slicer installed |
| 2013-12-17 |
WiFSIP dewar vacuum gepumpt |
| 2013-12-17 |
SES dewar vacuum gepumpt |
| 2013-12-17 |
ThAr1 exchange S/N HHL0530 in, S/N B00863 out |
| 2013-12-16 |
Dust monitor cleaned, filter changed, heater changed, fan changed, checked calibration. |
| 2013-12-02 |
ThAr1 lamp defect, changed to ThAr2 |
| 2013-08-15 |
SES vacuum |
| 2013-08-15 |
New CCD control computers (BOX PCs) with dedicated redundant DC power supplies |
| 2013-08-15 |
WiFSIP dewar v2 installed, 2-channel CCD |
| 2013-07-19 |
SES magellan controller new software version |
| 2017-07-16 |
SES magellan controller new software version with communication problems -> useless images |
| 2013-04-17 |
Using Halo-2 for flatfielding now |
| 2013-03-03 |
SES dewar vacuum gepumpt |
| 2013-03-03 |
Cryotiger #2 (SES) 210 psi |
| 2013-03-02 |
SES shutter vom Tisch isoliert, shutterprogram geändert (ohne xma/xmd) |
| 2013-03-02 |
STELLA1: M1 and M3 cleaned: reflectivity was 53/49/51/48, 64/64/61/51,
is (M1,2,3) 83/87/89/80, 91/91/89/76, 95/95/93/80 |
| 2013-03-01 |
calibration: Halo-lighhtbulb-positions moved away from fiber (to dim the light) |
| 2013-03-01 |
STELLA2 tube balanced |
| 2013-03-01 |
STELLA2-auxiliary mechanical alt-offset (1.5mm sheet metal on top feet) |
| 2013-03-01 |
STELLA2: M1 cleaned: reflectivity (BGRIr) was 60/59/55/47, is 89/89/87/75 |
| 2013-03-01 |
SES: new fiber |
| 2013-02-08 |
IPMI card connected to 192.168.1. network |
| 2013-02-07 |
STELLA-1 parameters changed (K87) to decrease noise in SES CCD |
| 2013-02-06 |
Temperature sensores lounge, lab installed and hooked into env database |
| 2013-02-05 |
air condition filters cleaned (all 3 units) |
| 2013-02-04 |
New Cryotiger #5 (S/N L12432555) in storage area |
| 2013-02-04 |
wifsip disk 5 replaced |
| 2013-02-04 |
wifsip & archive OS update, IMPI card installation |
| 2013-02-03 |
sky OS update, IMPI card installation |
| 2013-02-03 |
sky disk 15 replaced |
| 2013-02-03 |
SES CCD controller: replaced fiber connected to the dsp board,
now fiber exits in the back of the controller |
| 2013-01-07 |
SES connection to CCD controller lost |
| 2012-12-20 |
SES Heizung neu, mehr sensoren |
| 2012-12-19 |
SES CCD format geändert, neuer server mit DATE-OBS |
| 2012-12-19 |
SES faser ein& auskoppelung neu justiert |
| 2012-12-18 |
SES dewar vacuum gepumpt |
| 2012-12-17 |
WiFSIP dewar vacuum gepumpt |
| 2012-12-17 |
Cryotiger #2 (SES): 210 psi |
| 2012-12-17 |
Cryotiger #4 (WiFSIP): 200 psi |
| 2012-10-24 |
11:25 Power meter 243752 |
| 2012-10-22 |
23:50 Power meter 243446 |
| 2012-10-22 |
Webcam2 (VTT) exchanged old Axis 200+ with Axis P1343 |
| 2012-10-22 |
SES exchange Thar2 lamp (new B00876, old B68775) |
| 2012-10-21 |
heated & pumped SES dewar |
| 2012-10-21 |
installed optocoupler for SES shutter, now new program on shutter controller |
| 2012-10-21 |
disconnected rain sensor 2 (repair was not successful) |
| 2012-10-20 |
STELLA-1 halved P-motor-current drive Parameters (no init possible) |
| 2012-10-19 |
WiFSIP dewar pumped |
| 2012-10-19 |
WiFSIP energy-chain split in two parts, cables held in the
middle only, at top of chain,
hoses enforced and chain stiffened |
| 2012-10-19 |
Cryotiger #4 refilled (240 psi) |
| 2012-10-19 |
WiFSIP Cryotiger #3 refilled (235psi), with new hoses,
filter and head refilled, pressure ca 220 psi |
| 2012-08-30 |
SES shutter masse Leitungen verändert |
| 2012-08-29 |
SES dewar neues Fenster/Feldlinse, vacuum |
| 2012-06-06 |
WiFSIP dewar gepumpt |
| 2012-06-06 |
SES neue optische & CCD camera |
| 2012-06-06 |
SES neu justiert |
| 2012-03-19 |
STELLA-2 rack Batterie gewechselt |
| 2012-03-19 |
STELLA-1 neue Pollerverlängerungen |
| 2012-03-19 |
STELLA-1 Strom-P-wert von 600 auf 400 |
| 2012-03-17 |
STELLA-1 derotator fixed holder limit-switch rocker |
| 2012-03-17 |
vacuum WiFSIP CCD dewar |
| 2012-03-17 |
WiFSIP computer changed disk 2 (p2) |
| 2012-03-15 |
Cryotiger #4 190 psi |
| 2012-03-15 |
WiFSIP repaired energy-chain mounting |
| 2012-03-15 |
WiFSIP network cable repaired |
| 2012-03-14 |
STELLA-1 derotator cable repaired (shortened, connector soldered) |
| 2011-12-10 |
Wifsip neuer Halpha wide filter |
| 2011-12-08 |
NO-motor hydraulic oil exchanged |
| 2011-12-04 |
STELLA-1 hydraulic oil exchanged, hydraulic oil filter exchanged |
| 2011-12-03 |
STELLA-2 hydraulic oil exchanged, hydraulic oil filter exchanged |
| 2011-12-01 |
ASIVA re-aktiviert |
| 2011-11-30 |
Windspeed-2 sensor exchanged |
| 2011-09-27 |
Halo-1 working ? |
| 2011-09-27 |
removed ASIVA optical camera and sent in for repair |
| 2011-09-27 |
STELLA-1 M2-Spindel & Führungen gereinigt & geschmiert |
| 2011-09-26 |
Linear stages AG-unit2 exchanged |
| 2011-09-26 |
WiFSIP Pilar config changed to M3 mirror default position=2 |
| 2011-09-25 |
WiFSIP slighty changed energy-chain mounting on Az-Ring |
| 2011-09-25 |
WiFSIP Cryotiger #4 (S/N LO8814101), with hoses, new filter,
old (empty) coldhead, pressure 202 psi |
| 2011-09-24 |
WiFSIP dewar opened, closed, heated & pumped |
| 2011-09-24 |
wifsip new computer |
| 2011-09-24 |
ASIVA Lightmeter installed, new computer sky additionally connected via switch |
| 2011-09-23 |
SES vacuum |
| 2011-08-25 |
WiFSIP Cryotiger (nr 3?) offline (gas line pressure = 0dpi) |
| 2011-08-18 |
using Halo-2 now, Halo-1 dead - wooz |
| 2011-07-13 |
tele2 mediaconverter exchanged (died after a power cut on July 11 2011) - Ignacio |
| 2011-05-21 |
new pinhole mirror (120 or 100µm) |
| 2011-05-21 |
ThAr1 lamp exchanged (old S/N B00860, new B00863) |
| 2011-04-28 |
ThAr1 lamp defect, changed to ThAr2 |
| 2011-04-15 |
Halo1 & Halo2 exchanged. Are now again 20W (but still on external power supplies). |
| 2011-04-15 |
pinhole pos 335,308 |
| 2011-04-15 |
AGunit-2 new pinhole mirror (140µm), fiber adjusted, new calibration focus (65000),
guider cam re-focused, new ADC-wheel offset, new exposure times for calibs |
| 2011-04-14 |
WiFSIP CCD new pressure meter, fixed videoboard AD-3(C) problem |
| 2010-11-18 |
AGunit-2 newly adjusted, fiber newly adjusted, new focuspositions etc. |
| 2010-11-16 |
New PDUs for computers in Rack, new DC supplies in Rack,
end of temporary workarounds after portserver died |
| 2010-11-16 |
STELLA-1 provisorische Streulichtblenden im Tubus |
| 2010-11-12 |
WiFSIP CCD vacuum (for 3 days) |
| 2010-09-29 |
Halo-1 lamp exchanged (IAC) |
| 2010-09-27 |
Using Halo-2 for flatfielding now |
| 2010-09-13 |
Halo-1 dark |
| 2010-08-21 |
Auxiliary 1 & 2 cleaned |
| 2010-08-21 |
ASIVA computer relocated to rack & power from UPS via 1wire switch |
| 2010-08-21 |
STELLA-1 M3 cleaned |
| 2010-08-21 |
STELLA-2 M1 cleaned |
| 2010-08-20 |
STELLA-2 spider aligned |
| 2010-08-19 |
SES neu justiert (fasereinkopplung, fokus, kollimatorausleuchtung) |
| 2010-08-19 |
STELLA-2 Niveau korrigiert (war ca. 0.04mm off) |
| 2010-08-19 |
STELLA-1 Niveau korrigiert (war ca. 0.06mm off) |
| 2010-08-19 |
STELLA-1 PE-cable to AGunit-1 (old SES AGunit) changed
(no connection to Az-ring any more) |
| 2010-08-18 |
STELLA-1 oil extraction pump relay & motor exchanged |
| 2010-08-18 |
WiFSIP power now through 1wire switch |
| 2010-08-17 |
calibration light positions optimized |
| 2010-08-17 |
Halo1 & Halo2 exchanged. Are now 50W. |
| 2010-05-11 |
Fibers switched to STELLA-2 (old fibers still in place) |
| 2010-05-11 |
ThAr2 lamp exchanged (old S/N B00857, new B68775) |
| 2010-04-14 |
CryoTiger #3 (WiFSIP, S/N CM06241-0405) installed and connected, pressure is 215 psi |
| 2010-03-31 |
ThAr2 lamp defect, changed to ThAr1 |
| 2010-03-10 |
replaced both Halogen lamps (without real need to…) |
| 2010-01-03 |
Cryotiger #1 (SES, S/N CM05569-0903) replaced with
Cryotiger #2 (SES, S/N CM05568-0903). Pressure is 225 psi |
| 2009-12-16 |
SIGRIST dust monitor dismantled -> Spider invasion |
| 2009-12-16 |
SES Korrektorplatte (Schmidt Kameera) leicht gekippt ->
Geister nun an hoffentlich günstigerer Position |
| 2009-12-15 |
STELLA-2 Phasenwächter auf STELLA-1 Einstellungen geändert (220 statt 230V, 30 statt 5 sec) |
| 2009-12-15 |
STELLA-1 motorkabel-Schirm von Stecker entkoppelt |
| 2009-12-14 |
SES Faser neu justiert |
| 2009-12-14 |
STELLA-1 M1,M3 cleaned |
| 2009-12-14 |
AG-unit-1 Seitenwechsel - Fokus sollte nun -10mm sein |
| 2009-12-14 |
Derotator Teleskop I, Seitenwechsel |
| 2009-06-30 |
E-Raum Klimaanlage Filter gereinigt |
| 2009-06-30 |
Drehstifte der großen Klappen v. STELLA-I abgeschliffen & geschmiert |
| 2009-06-30 |
Softwareupdate STELLA-II (M. Ruder) |
| 2009-06-26 |
Softwareupdate STELLA-I (M. Ruder) |
| 2009-06-26 |
Kabel X12 und X6, STELLA-II getauscht |
| 2009-06-25 |
Kabel X12 und X6, STELLA-I getauscht |
| 2009-05-28 |
STELLA-1 Fokus-Führungen gereinigt |
| 2009-05-28 |
STELLA-1 defekte Ader Ölrücklaufpumpe überbrückt |
| 2009-05-28 |
STELLA-1 Scharnier Spiegelklappe klein geschmiert/geschliffen |
| 2009-05-28 |
STELLA-1 Öl nachgefüllt (nach Verlust großer Mengen) |
| 2009-04-24 |
STELLA-2 corrector position corrected with 3.5mm Spacers |
| 2009-04-24 |
STELLA-1 M2 drive cleaned |
| 2009-04-24 |
temp[0] = -118.001373 2780 |
| 2009-04-23 |
STELLA-1 M1,M3 cleaned |
| 2009-04-21 |
SIGRIST dust monitor installed |
| 2009-03-02 |
STELLA-2 Niveau korrigiert (war ca. 0.08mm off) |
| 2009-03-01 |
Entfeuchtungs-Granulat SES ausgeheizt |
| 2009-03-01 |
SES cover geöffnet (AKF gesucht) |
| 2009-03-01 |
Klimaanlage E-Raum Filter gereinigt |
| 2009-03-01 |
STELLA-1 Niveau korrigiert (war einige 0.1mm off) |
| 2009-02-28 |
STELLA-1 Azimut ETEL controller exchange (defect),
parameters are probably a bit different from the previous ones |
| 2008-11-02 |
Cleaned A/C filter & Dehumidifier filter |
| 2008-11-02 |
ThAr1 exchange S/N B0080 in, S/N B00220 out |
| 2008-10-31 |
Entfeuchtungs-Granulat SES ausgeheizt |
| 2008-10-29 |
SES dewar temperature back to normal (-188/-120) |
| 2008-10-27 |
SES vacuum pumped, Cryotiger pressure is 210 psi |
| 2008-10-09 |
ThAr1 lamp defect, changed to ThAr2 |
| 2008-07-31 |
STELLA-2 Niveau korrigiert (war ca 0.1mm off) |
| 2008-07-30 |
STELLA-2 Hydraulik-Oel nachgefuellt (ca 40 Liter) |
| 2008-07-30 |
STELLA-2 Kabel getauscht (Kabel wieder defekt) |
| 2008-06-02 |
STELLA-2 Kabelbruch repariert (ungenutzte Ader statt gebrochener verwendet) |
| 2008-06-02 |
Klimaanlage E-Raum Filter gereinigt |
| 2007-11-21 |
Optimized calib-light alignment in CalibUnit and AGunit.
New exposure times are 13 sec for both flat lamps and 20 sec for both ThAr |
| 2007-11-21 |
Wasser in UPS nachgefuellt |
| 2007-11-21 |
CalibUnit neu justiert, Motor Parameter geaendert |
| 2007-11-20 |
ThAr Netzteile nun mit Strom-Ueberwachung versehen |
| 2007-11-20 |
ThAr2 Lampe getauscht |
| 2007-11-20 |
ThAr-Lampennetzteil 2 getauscht (das alte nr.1) |
| 2007-08-24 |
Klimaanlage E-Raum Filter-counter reset |
| 2007-08-23 |
Cryotiger not at correct temperature |
| 2007-08-23 |
Ethernet wire from archive to TelescopeRack1 (to run Pilar on archive) |
| 2007-08-23 |
Update archive to Debian 4.0/ Java 1.5,
downgrade to 1.4 because of xml problems |
| 2007-08-22 |
Power to Cryo etc. (see reset switch) now from Gallaxy UPS |
| 2007-08-22 |
Reset switch for Cryotiger/Allsky/shutter/calibration unit installed |
| 2007-08-22 |
Reset switch of AGunit correctly wired |
| 2007-08-22 |
ETEL Controller Alt STELLA 2 Motor-current-P parameter decreased |
| 2007-08-21 |
ETEL Controller Alt STELLA 2 exchanged |
| 2007-08-20 |
ThAr Power supply connections checked |
| 2007-07-24 |
ETEL Controller Alt STELLA 2 defekt, zur Reparatur nach D |
| 2007-07-24 |
Cryotiger at normal Temp. again |
| 2007-07-20 |
CUO CCD pumped |
| 2007-07-19 |
ThAr-Lampennetzteil 1 getauscht |
| 2007-07-19 |
ThAr1 & ThAr2 Lampen getauscht |
| 2007-07-17 |
Klimaanlage E-Raum Filter gereinigt |
| 2007-03-30 |
ThAr2 defekt, stellen auf ThAr1 um |
| 2007-03-21 |
STELLA-I port 2&3 vertauscht (kabel lt. Schaltplan-Aenderung getauscht) |
| 2007-03-21 |
SES cryotiger pressure 210 psi |
| 2007-03-21 |
SES cryotiger cleaned |
| 2007-03-21 |
CUO CCD pumped |
| 2007-03-20 |
STELLA-1 software update |
| 2007-03-20 |
STELLA-2 encoder tuned |
| 2006-12-14 |
AG-I Beam splitter flipped |
| 2006-12-14 |
AG-I & SES Fiber coupling adjusted |
| 2006-12-14 |
Fan exchange & air filter exchange on master/ses/fire |
| 2006-09-09 |
STELLA-I M1 and M-3 cleaned |
| 2006-01-31 |
SES cryotiger pressure 210 psi |
