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Close up image of Gum 53 or NGC 6188 (AKA Fighting Dragons) imaged in natural color. NGC6188 is an emission nebula located 4,000 light years away in the constellation Ara. This image was exposed with a cooled and full spectrum modded DSLR, though an 8" SCT at 2000mm focal length. The total exposure for this photo was 4 hours and 15 minutes.
© Mariusz Goralski
Hello All, I have Good news and bad news... The good news is that the image which I'm sharing with you was one that I had doubts that it'll be anything worth sharing but turned out OK.... the bad news is that this is the last image I'll be imaging for possibly a while since on the last night of imaging SII subs, my CGEM mount died and who knows how long it'll be before I either fix it or get a new mount. I've started another topic about what happened and my suspicions of what caused it in the "Mount Discussion" equipment section here.... This is a close up of Gum 53, NGC 6188 or Fighting Dragons, emission nebula in the constellation Ara image with my cooled 40D, through the 8" SCT at 2032mm focal length. The total exposure for all subs is 50 hours and 46 minutes. There was plenty of HAlpha signal, bit less OIII but still quite strong but SII was very weak.... I had to resort to 2400 second ISO1600 subs to get any data visible... I guess imaging this object at f10 prolong the necessary exposure time. Thanks for looking, till next time, Clear Skies everyone, MG
Close up image of Gum 53 or NGC 6188 (AKA Fighting Dragons) imaged in narrowband and SHO channels combined into "Hubble palette". NGC6188 is an emission nebula located 4,000 light years away in the constellation Ara. This image was exposed with a cooled and full spectrum modded DSLR, though an 8" SCT at 2032mm focal length. The total exposure through all narrowband filters is 50 hours and 46 minutes.
© Mariusz Goralski
Astrophotography Scrapbook Vol. 1 Cover Page Lagoon Nebula in Sagittarius ( Messier 8, NGC 6523 ) The Fighting Dragons of Ara ( NGC 6188 ) War and Peace in Scorpius ( NGC 6357 ) Spiral Galaxy NGC 6744 in Pavo Ptolemy's Cluster in Scorpius ( Messier 7, NGC 6475 ) A Million Stars in the Deep South ( NGC 104, 47 Tucanae ) A Wishing Well in Carina ( NGC 3532 ) A Beehive in the Southern Sky ( NGC 2516 ) The Sliver Coin in Sculptor ( NGC 253 ) The Great Nebula in Orion ( Messier 42, NGC 1976 ) A Cluster of Pearls in Centaurus ( NGC 3766 ) - new 5 Dec resources: Scrapbook Template ------------------------------------- When I show my astrophotography images to my friends and family they invariably want to know what they are looking at. This led me to wonder if there was a way I could display my images on a single page together with a few notes on the target object as well as few technical details of the capture for those who might be interested. What I came up with a "scrapbook" like page that combines all of these three elements in a single PDF sheet ( or jpeg image) that ultimately I might combine together to form a PDF book that I can share online or send to friends and family. In the meantime, I thought I might post in this thread each page of my work-in-progress towards volume 1 of my Astrophotography Scrapbook. Any and all comments, observations, suggestions and constructive criticisms will be warmly received. Cheers Mike ps. The pages have been sized to fit full screen on an IPAD
Hello All, Before I imaged this nebula in narrowband, I begun with imaging the figthing dragons in natural color by gathering OSC subs through the IR cut filter. This is imaged at 2032mm focal length, through the 8" 8SE, with the Cooled modded 40D DSLR. Total exposure time was 4 hours 15 minutes in one night. Clear Skies everyone, MG