Rev 148 - Apr 29-May 30, 2011 - Titan T76 Options

[kyokugaisha]

And the same for N00171680 using N00171680/79/78.

[ngunn]

What an entrance - those are really good. Thanks!

[kyokugaisha]

No probs! Everyone is normally so quick on here.

Here is the last one using N00171692/1/0 over N00171689. This was a bit harder as I've tried to keep Saturn's unlit side in the background thus leaving some compression artifacts.

[ngunn]

Brilliant again! A good call keeping Saturn visible - I really like what you're doing. You'll have more fans in the morning.

[machi]

Very nice kodak moments and beautiful processed images .
But I think, that famous image with Enceladus' geysers, Titan and rings is still unbeaten .

[elakdawalla]

Speaking of which, that data is now public (part of the last PDS release) and is much better in that format than the raw JPEG format, but no one has yet stepped forward to redo that awesome group effort version of the image....

[S_Walker]

My attempt at Tethys, Titan, and ring-lit Saturn.

[elakdawalla]

Moved several posts discussing the use of IMG2PNG to convert/calibrate Cassini images into the appropriate thread.

[Ian R]

My attempt at producing a stacked, up-sampled, Titan-only and colour-corrected composite:

[john_s]

Gorgeous images! It seems kinda churlish to point out that they are all are upside down, with north at the bottom...

John

[S_Walker]

Gorgeous images! It seems kinda churlish to point out that they are all are upside down, with north at the bottom...

John

It's customary for planetary imagers to depict images south up because until the mid-70's, everyone observing the planets used newtonian reflectors.

[ugordan]

Then the next logical question comes to mind - why haven't we been doing that for the first 4 years of Cassini's mission...

[john_s]

For those who aren't familiar with the conventions, amateur astronomers often display telescopic planetary images with south at the top, to approximate the view through the eyepiece of many telescopes (for observers in the Earth's northern hemisphere). Professional astronomers, and planetary scientists (professional and amateur) working with spacecraft images, usually put north at the top unless there's a good reason not to do so. Personally, I'd like to see the amateur astronomers change their convention, in this digital age, so we can all look at the solar system the same way...

John

[Ian R]

Here's a (north up) version, with Dione just peeking out behind Titan:

[stevesliva]

For those who aren't familiar with the conventions, amateur astronomers often display telescopic planetary images with south at the top, to approximate the view through the eyepiece of many telescopes (for observers in the Earth's northern hemisphere). Professional astronomers, and planetary scientists (professional and amateur) working with spacecraft images, usually put north at the top unless there's a good reason not to do so.

I'd wondered why that was, when the storm on Saturn and the impact on Jupiter made it apparent. Makes sense. Maybe we'll use the metric system and the British will drive on the correct side of the road soon, too.