NGC 7008, Fetus Nebula (David Dearden)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: NGC 7008

NGC 7008, Fetus Nebula

I had a very hard time finding this object until I tried to match the shape of the quadrilateral asterism consisting of the corner of Cepheus, eta Cephii, HIP 102431, and this object, NGC 7008. Maybe I just got lucky. But I did find a new object tonight. Part of the problem is there just weren't any notable stars in the field of view, but there are a pair of close pairs that finally clued me in that I had it. I forgot to turn on dithering until I had already taken a few subs, but after about 3 got it running, set to "high." As before, it was RA-only. CCD was at about 11 °C for the start of the run. Darned if I didn't do a meridian flip, rebalance, and find the Fetus again! CCD temp was 6.5 °C when I went to bed. My stars are still a little football shaped, but I probably could have gotten rid of that if I’d been a little more discriminating about which subs I used. Overall, I’m quite happy with how this image turned out.

Date: 4 Sep 2012

Subject: NGC 7008, Fetus Nebula

Scope: AT8IN

Filter: None

Mount: CG-5 (Synta motors)

Guiding: Orion ST80 + 0.5x Antares telereducer + DSI Ic + PHD

Camera: DSI IIc (cooled at 2 A, 7.5 V, 11-6.5 °C)

Acquisition: Nebulosity 3.1.0

Exposure: 63 x 180 s

Stacking: Neb 3, bias included, normalize first, trans+rot align, 1.5 SD stack

Processing: Digital development with aggressive sharpening, slight Keller stretch, power stretch, saturation boost in Neb 3; CS6 Astronomy Tools deep space noise reduction, star color enhance and a little curves.

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Status	Basic success
Started	...
Astrometry.net job	7818817
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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