Description
Open Star Cluster embedded in an Emission Nebula (Eagelnebel) in the constellation Serpent (Ser)
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Click on image to enlarge!
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Date |
June, 17 & 23, 2006 |
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Telescope |
Vixen VC200L @f/6.5 (f=1300mm), Losmandy G11 mount, FS2 drive unit |
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CCD Camera |
ST-2000XM at -15°C |
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Exposure |
LRGB; L = Red + Hα (20%:80%) combinde with Luminace (80%:20%); R = Red + Hα (20%:80%). Lum: 4x600s (1x1); Hα: 11x600s (1x1); Rot: 3x300s (2x2); Green / Blue 3x240s (2x2) |
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Localisation |
Hofheim / Rhein-Main area and Observatory Hofheim-Langenhain |
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Conditions |
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Note |
Red channel is a combination of red and Hα-exposure; same combination with additional overaly of the L-exposure was used for L channel. The enlargement shows the center of the nebula. |
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Image Processing |
Full calibration, pre-processing with MaxIm, final processing with Photoshop |
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© Copyright 2002-2007 by Jürgen Stein |