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astronak — Rho Ophiuchi Alt
Published: 2010-06-17 00:38:14 +0000 UTC; Views: 1013; Favourites: 26; Downloads: 32
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Description
Rho Ophiuchi nebula, processed with a different workflow.Taken at Figeuroa Lookout, Ca.
Scope/Guide Scope used: Orion 102ED & 80ED
Mount and tripod: Atlas EQ-G
Camera: Canon Rebel XS(1000D, unmod)
Image Capture: Nebulosity
Stacking: Deepspace stacker
Additional editing done in Photoshop CS2
Exposure info:
8x800 sec light frames(RGB), 5x400 sec (Fits format)
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Comments: 8
Considering the effort that went into this and the wonderful quality of the image, I am amazed that it has only gotten 20 favs uptil now.
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This photo is so awesome. I really love the clarity of space. Man, I am taking definite interest in astrophotography now. Do you mind if I can post this picture in my DA group to show members how awesome you took this. Once again, I love it and now my
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Well done.
I have had immense trouble imaging this region over the last few years. I'm looking forward to finally giving it a go with the STL-11000M and FSQ-106N.
Regards,
H
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Yeah, without a wider FOV, doing any large region can be tricky. The FSQ-106 should be perfect. Luckily, the stars make finding & framing pretty easy. Before I took this exposure, I learned some useful equations. For exposure time(in secs) per sub, I use T(secs)= 60*(F#^2/1.85^2, which, for my F7 refractor, turns out to be about 14 minutes. I just rounded up to 15 minutes to get a tad more detail, since I use an entry-level unmodded DSLR. Then for # of subs, SNR=square root of # of subs. I wanted to do 16 frames total, which would of given the SNR of the final image 4, but I lost the DSO behind a tree, then to the horizon
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That's why the thin mountian air is soooo delicious.
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