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Chuck Reese
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M27 Widefield
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Meade 80mm APO w/6.3 reducer, guided with DSI-Pro/10" 200R/PHD Guiding
DSI-II Pro, Schuler Ha & OIII: (L=OIII+Ha) (Ha=R)(sG)(OIII=B)
OIII = 40 x 4 min, Schuler 15nm
Ha = 30 x 4 min, Schuler 9nm
sG via Noel Carboni's Photoshop Action
Original Photo
Photo Comments
Stephen P Hamilton
wrote:
5 - Excellent image and an excellent rendition, the use of the Ha and OIII narrowband filters really shows this object in a new and interesting light.
1) Focus/Sharpness - Yes - Sharop details in the core nebula and stars
2) Composition - Yes, nicely centered, lots of great surounding detail doesn't make this small nebula look too small in the image
3) Star Quality - Yes - Nice and round, good tracking. More of an issue wiht narrowband imaging then with the stars themselves but it seems like the saturation level around the stars could probably be brought a bit more into the middle
4) Processing Skills - Yes - Definately able to bring out the second layer of nebulosity generally lost in an image M27, color balance and balck/white point seem excellent
5) Exposure/Depth - Yes - Very nicely done, the added exposure time pays off well in the added nebulous outer regeons.
6) Technical Bonus - None - This is questionable, probably some points here due to narrowband imaging but would probably like to see a full narrowband image in Hubble Pallet or something for the extra point.
10:15 AM on July 17, 2007
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