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Hello, I've been trying lately to acquire some data on the Elephant's trunk nebula area. I managed 2-3 hours one week ago on Ha on more than one night, after 4AM. Pretty tough the following days at work. As it was more a test for the next months when it will get high enough at reasonable hours, the subs were binned and I also wanted to shoot S2 and O3 just too see what's out there. I did this this morning, but there seems to be much less S and O emitting compared to H. Bellow is the Ha image, the S2 and O3 are waiting to be processed, but I'm afraid I can't get anything usable just from 1h each. I'll share them later. Could anyone also maybe share their processed channels separately? I can only find the Ha as mono on the internet. My Ha details: ASI1600MMC, -15C, bin 2x2, Canon 300 F4 L, Optolong 7nm Ha filter, a bit over 2 1/2 hours in 180s subs, 300 gain. Tiff link: https://drive.google.com/open?id=0ByhJ_xuQxcnjcjJBR1RhWWpmNlU Thanks and clear skies, Alex