What is StarS­taX?

Amateur Photographer - - Technique Shooting After Dark -

Type ‘stars­tax’ into Google and it will take you to Markus Enzweiler’s web­site (markusen­zweiler.de). He de­vel­oped the soft­ware and makes it freely avail­able to Mac and Win­dows users. All you have to do is drop your star-trails se­quence files onto the in­ter­face and click ‘Start Pro­cess­ing’ and the soft­ware merges the files to­gether. To com­plete the process, you sim­ply save the fi­nal im­age and you’re done. StarS­taX is cer­tainly the quick­est and eas­i­est soft­ware op­tion, but there is an al­ter­na­tive. You can use Pho­to­shop to merge the files to­gether, ei­ther man­u­ally or by cre­at­ing a be­spoke ac­tion. The tech­nique con­sists of copy­ing and past­ing each file onto one start­ing im­age, chang­ing each Layer’s Blend­ing Mode to Lighten. If your im­age has fore­ground in­ter­est, keep the bot­tom Layer’s Blend­ing Mode as Nor­mal.

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