Gear

20171023-INDI-10Micron-Alignment.png
20171017-murk-testing.png / 20171017-better-delete-test-pointing-model-first.png
20170119-intermittent-sound-in-declination-drive.mp3 / 20170208-intermittent-sound-in-declination-drive.mp3 / 20170208-park-sound-in-declination-drive.mp3 /
20170114_boxes.jpg / 20170114_all-out-of-bananas-so-here-is-a-cat-for-scale.jpg /
20161225-Meade-LX200-ACF-Visual-Back-is-quite-a-mirror.jpg / 20170103-SCT-visual-back-darkening-comparison.jpg / 20170104-flats-microbaffles-paint-velours.jpg /
20161204-imaging-with-special-thanks-to-SX-for-AO-LF.jpg
20161029-40cm-dobson.jpg
20161027-promising-rpi-allsky-lens.jpg / 20161031_213718-rpi4.jpg
20161007-ZWO-ASI-1600MM-Cool-kit_and_Baader-7nm-Ha.jpg / 20161009-imaging-train.jpg
20160604-bino-PST.jpg
20160515_Arduino_nano_A4988_stepper_one16th_per_step_for_focuser.jpg / 20160516_Meade_microfocuser_with_stepper_1stepis4um.jpg / 20160518-DCD-INDI-MoonLite-focuser.jpg / 20160526_focuser-electronics-boxed-up.jpg
20160409-wtf-happened-here-skytemp_large_now-1d.png
20160403-SX-AO_via_INDI_in_PHD2_dialog_on_Linux.jpg code
20160328-porting-SX-AO-support-to-Linux-in-PHD2.jpg code
20151122-NoIR-rpi-in-a-box-allsky-camera-test.jpg / 20151122-NoIR-rpi-in-a-box-first-light.jpg / 20151123_181018-night-test-6s-800iso.jpg / 20151126-648x486.mp4 / 20151217_rpi3-wider-view.jpg / 20151229_rpi3_diff_wide_lens.jpg
20151117-unknown-steppers.jpg
20151118-stepper-diagram.png
20150627-rainsensors_pulse_time_on_small_drop-DS1054Z.png
20130609_173941b.jpg An imaging train
20130330-Dobson-25cm.jpg, a pure grab-and-go Visual instrument
20120327-SX-OAG-Lodestar-CanonEOS40D-no-guider-focus.jpg / 20120708-SX-OAG-Lodestar-30mm-extension-tube.jpg
Telescope Cover #1 / #2 / #3 / Final
Pier-parts / Plate / Parts / PartsWelded / SideBySideSetup / Hole / MixingMudTest / Base / PipeCutting / Pipe / Covered
CelestronDoesNotFitInAMDby1mm.jpg
200910-SV102ED-EQ5.jpg
LX200-10_40D_20X80_pict7058.jpg
LX200-10_on_wheels
LX200-10-f6.3_focal_reducer-micro_focuser-2inch_diagonal-cannot_do_polar_alignment-img_1654.jpg
3 EWSK leentelescopen, 2001

Imaging tests

20170105-some-rosette-nebula-dust.jpg
20161231-single-flat_left-before_right-after_black-ring-painting.jpg / 201612310-left-before_right-after_telescope-black-paint.jpg
20161218-need-a-better-background-extraction.jpg / 20161221-green-master-flat-AtrousWavelets4-13-BoostedSTF.jpg / 20161221-master-dark-AtrousWavelets4-14-BoostedSTF.jpg / 20161222-something-really-messed-up-this-master-bias-frame.jpg
20161211-this_star_RGB_registered_fine.jpg / 20161211-5x60s_RGB_registration.jpg / 20161211-twin_quasar-and-ngc3079-25x600s-lum-STF.jpg /
20161202-Kstars-WCS-preview-at-3m.jpg
Promising first light 20161128-light1-STF.jpg / still occasional guide issue 20161129-CGE-wanders-off.jpg / 20161204-bad-CGE.jpg / 20161204-bad-bad-CGE.jpg
something is happening 20161031_202512-rpi2.jpg / day 20161104-hazcam2.jpg . RGB something result 20161031-1.png / issues 20161031-1-issues.jpg / Aladin 20161031-1-Aladin.jpg
20161003-allsky-star-counting.jpg / 20161003_212649-rpi3.jpg
20160827-phd2-drift-alignment-RA-is-pretty-good-already-DEC-needs-work.jpg
20160501-PHD2-CGE-guiding-2500mm-bad-RA.jpg / 20160502-CGE-bad-guiding.png / 20160503-PHD2-CGE-guiding-bad-RA-LogViewer.jpg
20160504-PHD2-CGE-guiding-much-better-loosened-worm.jpg / 20160505-PHD2-CGE-guiding-fixed-worm-wormwheel-binding.jpg / 20160505-PHD2-Logview-CGE-binding-comparison.png /
20160325-first-test-frame_unfocused_unaligned_1s.jpg
20100216-Rosetta-20x250s800iso-SV102ED-EOS40D unprocessed / 8bitGimp / PI-theNoiseIsDevastating
20120909_ItIsGuiding_SX-AO-LF_Lodestar_MaxImDL.jpg
myFirstTheliStack_everythingMustHaveGoneWrong_:-D_.jpg
20110601-CGE-dec-guiding-issue.png / 201106110-CGE-PE-TopNearArcturus_W-BottomNearAltair_E-900s-unbalanced.jpg
PS / Gimp
Gimp-SimpleBilateralBlur.jpg
20100422-NotGuidedNotAligned.jpg
20100320-SV102ED-EOS40D-CollimationIsOff.jpg
20100103-mraw-dss-comparison.jpg
P2P-PE-20090918.jpg
Bahtinov-masks-10cm-and-25cm-img_2416.jpg
Bahtinov-mask-focus-result-20081108-IMG_0001.jpg
first_guiding_result_20081029.jpg
DriftAlign-200s
firstLight-20081028-theWebcamWorks.jpg
tracking-20080908-and-training-result.jpg
tracking-altair-20080815-1600iso-300s-IMG_0009.jpg
tracking-altair-20080816-1600iso-30s-IMG_0007_1.jpg
tracking-altair-20080823-1600iso-720s-IMG_0018.jpg
tracking-altair-20080823-400iso-960s-IMG_0019.jpg
tracking-altair-20080823-neighbours-1600iso-720s-IMG_0018.jpg
focus-problem-20080403_1600iso_s400_pf_raw_img_1228.jpg

Star parties

20101030-SterrenwachtEindhoven-NachtVanDeNacht.jpg
20100417-StarpartyBladelNetersel.jpg
20090131-StarpartyBladelNetersel_2345.jpg
20081227-StarpartyBladelNetersel_2305.jpg

Earth

20120325-moon-4246.jpg
20100813-Perseid-d2.jpg / raw
20100422-Moon-1frame_0.005s_800iso_25cmLX200_EOS40D.jpg
20100129-MoonAndMars-40D.jpg / 20100129-MoonAndMars-40D-annotated.jpg
Satellites.html
Moon-20071117-unprocessed-img_0080.jpg

Solar system

20160605-Sol-PST_2xBarlow_DMK23U445_Stackistry_Gimp.jpg / 20160605-Sol-PST_2xBarlow_DMK23U445_Stackistry_Gimp_s.jpg
20130314-C2011L4-Panstarrs-img_4582.jpg
20120514-Sol-1476-b.jpg
Jupiter-20090918-Galileoscope.jpg
Sun-20090524-Baader+UvIr+UHC-img_2670s.jpg small / Sun-20090524-Baader+UvIr+UHC-img_2670.jpg
Sun-20090524-Baader+UvIr+UHC-img_2673s.jpg small / Sun-20090524-Baader+UvIr+UHC-img_2673.jpg
Sun-20090524-Baader+UvIr-img_2676s.jpg small / Sun-20090524-Baader+UvIr-img_2676.jpg
Moon-Venus-Jupiter-20081202-img_2189.jpg
Comet_17P_Holmes-20071118-Unprocessed_8s_iso1600_17mm-img_0118.jpg
Comet_17P_Holmes-20071117-Unprocessed_20s-img_0081.jpg / cleaned up : 20071212-Comet-Holmes-1x20s-800iso-85mm-img81b.jpg
Comet_17P_Holmes-20071117-Unprocessed_20s-img_0070.jpg

Deep space

20100521-M13-IC4617_10x270s
20100521-Veil-NGC6960-8x420s.jpg / raw from dss
20090818-DoubleCluster-NGC884-31x30s_1600iso_SV102ED_40D.jpg
20090818-Albireo_11x30s_1600iso_SV102ED_40D.jpg
20090818-M39_30x30s_1600iso_SV102ED_40D.jpg
20090817-NGC7662-BlueSnowball_13x30s_1600iso_SV102ED_40D.jpg
20090531-M57_30x30s_1600iso_SV102ED_40D.jpg
M13-20090531-31x30s-1600iso-SV102ED-40D.jpg / M13-20090531-31x30s-1600iso-SV102ED-40D-2666x2000.jpg
HorseHead-30min-1600iso-UHCfilter-IMG_0007.jpg / reprocessed 20100507
20081229-M42-7x300s-800iso.jpg
Orion-20081228-Bladel-30s-1600iso-img_2284.jpg
OrionsSword-20081227-30s-1600iso-img_2284.jpg
Orion-20081227-30s-1600iso-img_2270.jpg
M27 20080913.html
M103 20080913.html
M13-20080808-30s-1600iso-Canon85mm-img_1667.jpg / PI reprocess
ameland-west-20080729-iso1000-30s-img_1541-972x648.jpg
M3-20080511-3200asa-44s-IMG_0011small.jpg
M42-20080210-f63-1600asa-36s-UHC-IMG_0013.jpg / reprocessed 20100219
M42-20080210-f63-1600asa-60s-IMG_0012.jpg / reprocessed 20100219
m42-IMG_0025.jpg
m42-IMG_0064.jpg
m42-stackof15b.jpg
m42-stackof15c-s.jpg
m42-stackof15f.jpg / m42-stackof15f-caught-a-proplyds.jpg

Deep deep space

201611-NGC3079-Q0957+561_needs_work1.jpg / 201611-NGC3079-Q0957+561_needs_work1-annotated.jpg /
20100504-M63-6x450s-wavelets.jpg / gif / raw stack
M31-20081222-300s-3200ISO-IMG_0004.jpg
M31 20080913.html

Ehh

observatory todo list Things Observatory
GoogleEarth Light Pollution Europe2 / Netherlands / Europe1 / kmz / LP-avex-asso-org-Eindhoven.jpg
sterrenwacht-eindhoven-telescoop.jpg
Stellarium - North Celestial Pole
20100124-stellarium-buildbot-first-steps.png / gcc10.fsffrance.org:8010/waterfall?reload=99
PlateSolvingWithAstrometryNet.jpg
Crude astro photography mount performance overview.
Astroforecast Sky Transparency Forecast
trail_of_LONEOS_C2007F1_in_Xephem-3_7_2.png
Lego-358-367-Moon_Rocket-Lunar_Lander-img_0098.jpg

Back to Hans' page