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Slide set: [Astronomy Sonnenborgh - box 09] (lecture: manufacturer unknown, 44 slides, c.1935)

Descriptive data for this set (listed below slide images)
Slide 433
Stand van de zon op middelbare middag
Slide 434
Rustende protuberansen perspectief
Slide 435
Doppler effect pulsatie bij delta Cephei
Slide 436
Schema van de melkweg 1935
Slide 437

no image available
Slide 438
Schroefnevel Aquarius met 'kometen'
Slide 439
Temperatuur Aardatmosfeer tot 100 km.
Slide 440
Nalichtend spoor meteoor
Slide 441
Dichtheid bovenste lagen atmosfeer
Slide 442
Radarreflectie nalichtende meteoorwolk
Slide 443
Bourgondische wijn en 11-jarige periode
Slide 444
T en ρ [Rho, density] voor inwendige van de zon
Slide 445
Zwakke sterren - toenemend talrijk
Slide 446
Buigingsfiguur door kijker
Slide 447
Halovorming om sterbeeld
Slide 448
Plinius bij 2 belichtingen
Slide 449
Andromedanevel met microfotometer
Slide 450

no image available
Slide 451
Interstellaire absorptie open sterhopen
Slide 452
Interstellaire rood-verkleuring
Slide 453
Foto Zodiacale licht
Slide 454
Landschap bij nachthemel
Slide 455
Electr. concentratie in E-laag
Slide 456
Electr. concentratie in E-laag
Slide 457

no image available
Slide 458
Productie hoogte ionen ideale atmosfeer
Slide 459
Diffuse nevelwolken Orion
Slide 460
Melkweg Z[omerse] avondhemel
Slide 461
Vormverandering komeet Coggia
Slide 462
Zonnespektrum lambda 3870-lambda 3980
Slide 463
Zonnespektrum lambda 5870-lambda 5960
Slide 464
Zonnespektrum lambda 6834-lambda 6952
Slide 465
Lijnsterkte CaI lamda 4227 in G-sterren
Slide 466
Ca 4227 / H gamma in G-sterren
Slide 467
Ti II 4025 / Fe4132 in G-sterren
Slide 468
Sr II 4077 in G-sterren
Slide 469
Andromeda Nevel

contains [Astronomical slides by Duboscq] (lecture: Duboscq, at least 67 slides, 1876-1886)

continued from [Astronomy Sonnenborgh - Box 08] (lecture: manufacturer unknown, 51 slides, 1900-1912)

continued by [Astronomy Sonnenborgh - Box 10] (lecture: manufacturer unknown, 50 slides, in/after 1911)


This set contains all slides in box 9 of the Utrecht observatory. The slides were used in teaching of astrophysics. In this box were also slides on light spectra produced by Julien Duboscq. Those slides (in the box with the order numbers 17 to 23) are listed and illustrated in the respective slide set (see 'related slide sets'). Greek letters in formula and star names are transcribed but it might well be that the transcription is not always correct.

Slide numbering: Same slidenumbers 433-438 in Sonnenborgh box 09 and box 10

Slide numbering:  Same slidenumbers 439-469 in Sonnenborgh box 09 and box 11

Subject keyword
Lucerna ID  3009120

Record created by Sarah Dellmann and Gert Wilkens. Last updated 9 March 2018

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  Lucerna Magic Lantern Web Resource,, item 3009120. Accessed 25 May 2024.

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