Jeff Terry's Astrophotos/EtaCarinae.jpg

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The top image is a sum of 10 5 minute exposures with a Tak TOA-150
located in Australia. The scope was equipped with an SBIG STL-11000M with a LRGB Ha
filter set. The image was guided with the interal guider. The image was processed using
the ddp routine in iCCD. The second image is a sum of 23 5 minute exposures for a total
exposure of 115 minutes. It was processed using the ddp routine and the improved sigma
rejection routine in the addition dialog box. The bottom two images show how a satellite
track was removed using this routine.