![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgs_i_CmeBFt_xY_JjcpOf3rCef9ieQ_EidlHBeWTVEyDXwWOiJ9kA76TZj3yEIElQjbv_7_6pEQ4rpKOdcTquAe44VPn3sShlNGEDKM7hEwo-rAyBqzXHSdKLpGQL6zES4IZJu/s320/ISS_21-11-10a.JPG)
After our attempt to use parallax to determine the
height of an iridium flare, Dean Male and I tried to do it with an ISS pass, somewhat higher in the sky to fix some issues with the parallax calculations. I got the ISS as it was at its highest, but Deans firing mechanism had a meltdown and his shots might not be salvageable.
Oh well, there's next time.
The left image is the ISS above Iota Grus at 21:15:35, Canon IXUS, 400 ASA, 15 second exposure. The bottom image is the ISS passing the bright star Canopus a few minutes later
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjW2D1oKt9sTXYu2Wi8v5aInoQXrdxAGnr-TjH0TRAqlBHTy6c3HT23FDSopcs6k22oKcc6UBbHi3TdSiF8PWOiyLpVvMk0IpQPl4pulasqyCnH_e3sPJUeUgSOZi4sxU2mOSSR/s320/ISS_21-11-10c.JPG)
As always, click to embiggen.
Labels: astrophotography, ISS
# posted by Ian Musgrave @ 11:57 pm