For what it is worth, I would like this feature too. While clearly one can always use the search function to find a particular Messier, being able to simultaneously see all the Messier's that are above the horizon at once (without having to sift through all the other DSOs) would be very nice. There is no need to do anything with the textures of various DSO, this is simply a mater of choosing which DSOs are labeled / highlighted. There are many reasons this would be useful, Messier Marathon's being one of them. My astro society does one of these every year when weather permits.
Perhaps a more general and more powerful feature would be a search & highlight function that would label all objects that matched a particular string which would allow you to highlight "Messier " or "NGC". If it allowed you to search under "type" you could highlight all galaxies or all open clusters etc.
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Please read my post above.
Guys, it's not going to happen. Adding redundant features for lazy people is a bad idea. Please just drop it.
short information: lazy people are very intelligent; the problem is with ignorant people. choosing between catalogs would be a great feature. an important astronomy software has it: cartes du ciel.
"choosing between catalogs would be a great feature. an important astronomy software has it: cartes du ciel."
You are right. Its obvious for EVERY astroamateur.
@Bohdan. "The main technical reason is that Stellarium has no separate Messier catalog: it treats Messier designations as synonyms of its internal identifiers, mostly NGC numbers."
And ?? There is no neeed to have separate messier catalog or something at all! Just option for FILTERING of NGC numbers. One small additional option square. Just the same like option show/unshow DSO objects but in a bit more selectively way. Thats all . Whats the problem guys!!!???
"There are also historical and design reasons: Stellarium started as a way to display prettily the night sky. Since then, it's been developed mainly as an edutainment tool (astronomers don't need constellation art) and only recently it has started to become more friendly towards amateur astronomers"
sory ... "design and historical reasons"? what is has to do with filtering NGC objects? I dont get you. Strange excuse, really odd.
I can also assure you that stellarium would be much more "friendly towards amateur astronomers" with this new feature.
This is a dead subject. Unless someone wants to write a plugin or other programming there will not be a catalogue showing only Messier objects. It is not in the program plan.
Messier objects or any other properly documented objects can be found and displayed simply by entering the name in the find window. As for Messier marathons, these are sometimes held as novelty events in northern hemisphere star parties etc. but are almost unheard of in the southern hemisphere where only about 90% of the Messier objects are visible.
However most of the Messier objects are relatively bright so adjustment of the DSO level control can filter out much of the other non Messier objects.