Observation by Chris Hooker: International Space Station, 27th Septem...

Uploaded by

Chris Hooker

Observer

Chris Hooker

Observed

2019 Sep 27 - 18:36

Uploaded

2019 Sep 28 - 09:54

Objects

Spacecraft

Equipment

254 mm Newtonian
2x Barlow lens
Celestron Skyris 445 mono camera

Exposure

0.36 msec @ F/9.6

Location

Didcot, Oxfordshire

Target name

International Space Station

Title

International Space Station, 27th September 2019

About this image

An early evening pass of the ISS in better seeing conditions than the previous day. This was the first serious trial of a new tracking system which is intended to keep the telescope speed more consistent and thus allow the acquisition of longer sequences of frames. A rather gusty breeze shaking the telescope caused problems, but several continuous groups of frames lasting up to five seconds were captured. Eliminating frames with bad seeing and stacking up to 20 of the best remaining frames within a 2 second window gave some good views with plenty of detail. The image shows a montage of views from around 40 degrees elevation in the west to overhead, plus an enlarged version of the best image of the pass.

Files associated with this observation

ISS slide 27 Sep 19 v2.png (496.5 kB)

Like this image

Ray Emery, Chris Dole, Tom Moran, Jeremy Shears, Neil Morrison, Bill Leatherbarrow, Andy Wilson, Andrew Paterson, Martin Lewis, Peter Mulligan, Andrew Dumbleton

Comments

Martin Lewis, 2019 Sep 30 - 21:46 UTC

Super image Chris. Can you tell us more about this new tracking system- sounds interesting,

Martin

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