A couple of my ISS images

[StarlightKnight]

Taken with DMK21 on C9.25 - very lightly processed in Registax

Don

[Grotemobile]

That is one hell of a picture.

I bet you were very pleased

with that.

Steve

[catman161]

Fantastic pictures-not an easy target at all!

Sent from my iPhone using Tapatalk

[tingting44]

lovely! did you auto track it?

[hippie]

Wonderful pictures well done Don  . 

[StarlightKnight]

Thanks very much everyone.

Yes I am VERY pleased with them.

It was hand guided.

Don

[bottletopburly]

Stunning capture well done

[andrew65]

Well impressed

[robbie c]

That's an incredible pic brilliant well done hand guided as well amazing   

[thunderchild]

Stunning images, the detail is superb 

[C7tsj]

Fantastic image. Hats off.

Mark

[Space Cowboy]

Very crisp images!

[StarlightKnight]

Thank you very much everyone.

I really appreciate your comments and "likes"

Don

[tingting44]

what exposures did you use mate? and i take it you can not stack subs of the ISS where every sub is going to be different right?

[WaveSoarer]

That's amazing. You can even see the divisions within the solar arrays.

[todd8137]

Hi there got the same scope and have been planing this for ages could you give me a brief idea how you tracked the thing I no the stack method ect but how did you move the 9.25 ?

Pat

[Andy Milner]

Wow! I echo everyone's thoughts. How did you do it? great capture!

Sent from my iPhone using Tapatalk

[RT65CB-SWL]

Amazing!

[JohnC64]

wowser what a stunning set of pics!!!!!

[StarlightKnight]

Thank you all very, very, very much for your comments and likes.

Sorry I couldn't reply sooner as I've been on holiday  - without E-mails !!!!

In reply to the various questions:

I experimented with various combinations of exposure, gamma & gain - taking a screen shot of each set so I could compare the setting with the result - radiators are almost always overexposed if you want to capture detail on the solar arrays.

For my particular set up - DMK21 & C9.25  I now generally use 30 fps, 1/1250 sec exposure, 125 Gamma and 615 to 590 Gain.

Higher Gamma (ie greater than standard 100) and appropriate lower Gain flattens the image slightly and gives you a wider range of brightness without overexposing the radiators too much - some people use even higher gamma but I find I loose too much detail.

If you are lucky enough to get a number of good images in a short period of time - less than a few seconds - you can try stacking them in Registax - I find version 5 works best for me - the images I posted were single frames.

The orientation changes quite rapidly - only approx 25 seconds between the two frames I posted

I move the telescope by hand whilst looking through a right angled finder with a double cross hair which I doubled myself - double cross hair helps a lot as the ISS doesn't disappear when it is directly in line.

Lining up the telescope and finder carefully and eliminating any wobble from the finder fixings is absolutely crucial

Oops now I've given away all my secrets - or have I !!!!

Don