For here, am I sitting in a tin can
Far above the world.
Planet earth is blue
And there's nothing I can do.
— David Bowie

Quick Links

General information ISS Solar Satellites Other space

Informational

Solar

Harvard solar cycle prediction (abstract) Cycle 25 maximum = 2023.2 ± 1.1 with a peak of 154 ± 12 sunspots
SolarHam ham-related solar conditions (aurora, sunspots, activity, forecast)

Other

ISS (International Space Station)

AstroViewer and the current ISS position
ISS Tracker (real-time graphical tracker, incuding current altitude and speed)
Spot the Station (can sign up for visible alerts, app)
Heavens Above (plus satellites)
N2YO (all passes)
ARISS (Amateur Radio on the ISS)
ISS Fan Club (frequencies, modes, power, antennas)
Beginner's guide for contacting the ISS

ISS astronaut availability for radio contacts (Mountain Time):

Activity	From	To
Early free time	0130	0230
Late free time	1230	1330
Weekend free time	0130	1330


What the ISS astronauts see (live streaming video, including audio, from the ISS)

Satellites

Amateur radio satellites
AmSat (satellites)

Other space

Space Weather
NOAA

Historical

The Solar Storm of 1859 (Carrington Event)