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IC 4605

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Gary

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A welcome run of clear nights recently allowed me to lose yet more sleep and get some imaging done. This is the result of one of those runs. IC 4605 is a beautiful reflection nebula that is lit up by the bright (magnitude 4.8) blue, main sequence star, 22 Scorpii, which lies about 413 light years away from us. Although the star is visible from a reasonably dark sky site, long exposures with a camera are needed before the tenuous dust clouds that envelope it can be seen. This nebula is part of the much larger and very colourful Rho Ophiuchi Nebula complex.  I have an image of that somewhere that I'll try to dig out and post here when I get a chance. 

Photo stuff:
Date: 28 June 2019
R.A.: 16h 30m 14.4s
Dec. -25° 07' 08.0"
Canon 60Da on Meade RCX400 f/8 16" with 0.70 focal reducer
24 subs @ 300s ea.; ISO 1600

IC 4605-RGB - flattened.jpg

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