NGC 7023 The Iris Nebula |
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Date: | September 21, 2005 |
Exposure: | RGB 120:120:135 : 8 x 900 R, G, and 9 x 900 B |
Processing: | CCDSoftV5 for image acquisition, MaxIm for Image calibration,(5 flats each RGB, dark subtracted and median combined, 20 bias frames median combined, 10-900s darks median combined), alignment, normalization, color combining. PixInsight for background correction and color gradient removal. Photoshop CS for final color balance and jpg conversion. |
Conditions: | Average, Mag 3-4 Skies |
Scope: | RCOS 16" Truss |
Camera: | SBIG ST-10XME, Custom Scientific LRGB filters, -15° |
Comments: | I have been chasing this one for a long time and conditions were good enough to try it. I didn't get a chance for any Luminance data as weather controlled that, so some of the dust clouds around the central star aren't as prominent as they could be. There's always next year..... |