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20 results for: sunspots

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Photograph of Gustav Spörer
ARP23A12_373

Photograph of Gustav Spörer

Sunspot
ARP10A03_117

Sunspot

Ultraviolet image showing arcs of gas
ARP10A01_045

Ultraviolet image showing arcs of gas

Aurora Borealis or Northern Lights observed from Guildford, Surrey, England, 14 October 1870
ARP07112_010040C

Aurora Borealis or Northern Lights observed from G...

Aurora Borealis or Northern Lights observed from German and southern Scandinavia
ARP07112_010041C

Aurora Borealis or Northern Lights observed from G...

Aurora Borealis or Northern Lights observed from the Isle of Sky, Scotland, 11 September 1874
ARP07112_010042C

Aurora Borealis or Northern Lights observed from ...

Aurora Borealis or Northern Lights
ARP07112_010043C

Aurora Borealis or Northern Lights

Aurora Borealis or Northern Lights
ARP07112_010084C

Aurora Borealis or Northern Lights

Sunspots
ARP07113_010546P

Sunspots

Observations of sunspots, May 1644
ARP07113_010547P

Observations of sunspots, May 1644

Sunspots
ARP07113_010548P

Sunspots

Refracting telescope
ARP07113_010555P

Refracting telescope

How to construct a mounting for a refracting telescope
ARP07113_010556P

How to construct a mounting for a refracting teles...

Sunspots and prominences in 1973
ARP07103_460000235

Sunspots and prominences in 1973

Half-title of Christopher Scheiner "Rosa Ursina", Bracciano, 1630
ARP07103_460000255

Half-title of Christopher Scheiner "Rosa Ursina", ...

Aurora Borealis or Northern Lights
ARP07104_460000827

Aurora Borealis or Northern Lights

Aurora Borealis or Northern Lights
ARP07104_460000828

Aurora Borealis or Northern Lights

George Ellery Hale
ARP07095_390001336

George Ellery Hale

Galileo's observation of sunspots
ARP07094_390000532

Galileo's observation of sunspots

Galileo's observation of sunspots
ARP07094_390000533

Galileo's observation of sunspots