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M103 – Open Cluster in Cassiopeia - ASI294MC Pro

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#1 jgraham

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Posted 15 August 2019 - 04:33 PM

 M103 – Open Cluster in Cassiopeia - ASI294MC Pro
Telescope: Meade N6 at f/5, Baader Mk III MPCC, Orion Atlas EQ-G
Camera: ZWO ASI294MC Pro, 10C; Gain: 200
Filter: Orion Imaging Skyglow Filter
Guide scope: Williams Optics 50mm, Meade DSI Pro II, PHD
Exposure: 124x60sec saved as FITS
Darks: 32x60sec saved as FITS
Flats: 32x10sec, LED tracing tablet covered with 3 layers of muslin
Average Light Pollution: Red zone, poor transparency
Lensed Sky Quality Meter: 18.1 mag/arc-sec^2
Stacking: Mean with a 2-sigma clip.
White Balance: Nebulosity Automatic
Software: Nebulosity, Deep Sky Stacker, Photoshop

 

M103 (7-20-2019)-1j.jpg

 

M103 is a beautiful little open cluster in Cassiopeia that makes a fine target for small telescopes. Heh, heh, the number of subs may seem to be a bit excessive for this target, but this was the last image from an all-nighter and I needed to get some sleep! :)

 


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#2 chrysalis

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Posted 15 August 2019 - 07:12 PM

Very nice capture!



#3 Jim Thommes

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Posted 21 August 2019 - 11:51 AM

Nice one John. Great star color.




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