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Taken in September 2015 with SW ED 80 and Trius SX26C. I was interested to see how a deep sky object would image during the glow of the "supermoon", so I picked a relatively bright object - the ET or Owl cluster (NGC 457). LIGHTS: 28 x 300s, BIAS: 50, DARKS: 30, FLATS: 40. Post processing in MAXIM DL and Photoshop CC. The stars outside the cluster were reduced by the PS plugin StarShrink.
I had a go at the Owl last night. What a difficult blighter! This is the result of 26 subs of 300 secs at 1600iso using the C9.25 at it's native focal length and the modded 1200d with an Astronomik UHC-E filter. Not very good really. Any comments/suggestions welcomed as usual. Peter
Hi, This is my attempt at the Owl nebula and also the first picture taken with cooled CCD camera for me. My Canon EOS500D has now retired. The image is photographed from Uppsala in Sweden, date 2013-03-13. Exposures L23x10min, R9x10min, G9x10min, B7x10min. Camera SBIG STF-8300M, cooled to -30 ° C. Telescope, Skywatcher 190MN on NEQ6-mount. Guide camera-QHY5M. Stacked in Maxim DL and then processed in Adobe Ps Cs5. Weather conditions good, around -15°C. Enjoy! Full 100% wiew: http://www.astronet....2550&mode=large Close up wiew, cropped: http://www.astronet....2549&mode=large
We are coming towards the end of our week at Olly's Place. Tremendous week. So far we've imaged 4 nights out of 5. And we are imaging again as I type (night 5). Forecast for tomorrow looks a little ropy, but we shall see. We have amassed a ridiculous amount of data - I think we may be around 70 hours so far. You may have already seen Olly's terrific rendition of the California Nebula - https://stargazerslounge.com/topic/280659-355-hrs-in-california/ Whilst the dual Taks were running on another target, we grabbed 5.5 hours on the Owl Cluster in Cassiopeia using Olly's TEC 140. This is equal amounts of RGB. Even on the TEC, the Atik 11000 gives an impressive FOV. As well as the Owl, you can see the cluster NGC 436. I processed, but under Olly's very careful supervision..... As a little aside, here is a 'through the eyepiece' presentation of the Owl alone: