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November 13, 2026
Eastern Vail Nebula

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Eastern Vail Nebula

NGC 6992 · Deep Sky · Nebula

Photographed by Jack Johnson

Imaging summary

Telescope / lens
Astro-Tech AT6RC
Camera
ZWO ASI1600MM-PRO
Focal length
1350 mm
Location
ASKC Dark Sky Site
Captured
October 8, 2026
Total integration
10h 0m 0s

Astronomical target

Target name
Eastern Vail Nebula
Catalog designation
NGC 6992
Right ascension (HH:MM:SS)
20:57:26
Declination (±DD:MM:SS)
+31:51:01

Acquisition

Acquisition start date
2026-10-08
Acquisition end date
2026-10-10
General location (public)
ASKC Dark Sky Site

Optics

Telescope or lens
6" RC
Optics manufacturer
Astro-Tech
Optics model
AT6RC
Aperture (mm)
150
Effective focal length (mm)
1350
Effective focal ratio
9
Reducer
Orion .8x Reducer/Flattener
Other optical accessories
ZWO Motorized 7 place, 36mm, filter wheel

Camera

Camera manufacturer
ZWO
Camera model
ASI1600MM-PRO
Camera type
Cooled Astro Camera
Gain
139
Sensor temperature (°C)
-10
Binning
Bin 1 during acquasition, Binned 2 in final image

Mount and guiding

Mount or tracker
Orion Atlas, Belt modded, running OnStep on FYSETC E4
Guiding camera
ASI220MM
Guide scope or OAG
ZWO OAG
Guiding software
PHD2 running on ASIAIR

Conditions

Bortle class or estimate (e.g. 3, 3.5, 3-4)
4
Moon illumination (%)
0
Moon phase
New Moon

Processing

Processing software
PixInsight, RC Astro Tools, GIMP

Light-frame exposures

Light frames used in the final image; calibration frames are excluded
Filter/channelFramesSeconds/frameISOGainIntegrationNotes
Ha120120.000139.0004h 0m 0s
OIII120120.000139.0004h 0m 0s
Red8030.000139.0000h 40m 0s
Green8030.000139.0000h 40m 0s
Blue8030.000139.0000h 40m 0s

Total light-frame integration: 10h 0m 0s

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