Observatories Like ASCA
XRISM
Observatory
7.82
Good
Suzaku
Observatory
7.45
Good
BeppoSAX
Observatory
8.19
Great
Uhuru
Observatory
7.91
Good
Einstein Observatory
Observatory
7.82
Good
Hinode
Observatory
7.73
Good
EXOSAT
Observatory
6.99
Fair
Astro-H / Hitomi
Observatory
4.14
Poor
Neil Gehrels Swift Observatory
Observatory
8.28
Great
XMM-Newton
Observatory
8.19
Great
eROSITA
Observatory
8.14
Great
ROSAT
Observatory
7.91
Good
RXTE
Observatory
7.73
Good
IXPE
Observatory
7.54
Good
INTEGRAL
Observatory
7.18
Good
Cassini-Huygens
Observatory
9.02
Excellent
Gaia
Observatory
8.92
Great
Kepler Space Telescope
Observatory
8.83
Great
Parker Solar Probe
Observatory
8.79
Great
Galileo spacecraft
Observatory
8.65
Great
Arecibo Observatory
Observatory
8.65
Great
Hipparcos
Observatory
8.65
Great
Planck
Observatory
8.60
Great
Mount Wilson Observatory
Observatory
8.56
Great
