NGC7635 H-alpha - Dew Control Test (mikefulb)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: Bubble nebula · M 52 · NGC 7635 · NGC 7654 · PK112-00.1 · Sh2-159 · Sh2-162

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NGC7635 H-alpha - Dew Control Test

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NGC7635 H-alpha - Dew Control Test

If you image in the Southeast USA then you will have to deal with dew - in my case the primary of my 8 inch f/4 Newtonian would start to dew up about midway through the night! I made some very low heat dew pads to put behind the primary to barely keep it above the dew point. This image was a test to see if this injection of heat would affect image quality. As far as I can tell it isn't. To sharpen the image some more I applied deconvolution as well.

Original
B
C
Final
D

Narrowband imaging
ZWO ASI1600MM/QHY163M
Cloudy Nights

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Status	Advanced success
Started	...
PixInsight job	RW22BSW5DHZZ5VG6FKWIJ7GXWMUG9BHK
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	23h20m05s.387
RA (top/left)	23h25m07s.593
RA (top/right)	23h14m43s.639
RA (bottom/right)	23h15m12s.505
RA (bottom/left)	23h25m18s.375

Dec (center)	+61°13′20″.57
Dec (top/left)	+61°41′55″.88
Dec (top/right)	+61°38′39″.84
Dec (bottom/right)	+60°44′06″.20
Dec (bottom/left)	+60°47′16″.28

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NGC7635 H-alpha - Dew Control Test

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