Imaging telescope or lens: StellarVue SV70T
Imaging camera: QSI 683 wsg-8
Mount: Skywatcher NEQ 6 PRO
Guiding camera: Starlight Xpress Lodestar Off Axis Guider
Filter: Astrodon Ha 1.25 3nm
Accessory: Kendrick Standard Dual Channel Controller
Dates: June 3, 2017
Astrodon Tru-Balance E-Series Blue 36mm Blue Filter: 16x300"
Astrodon Tru-Balance E-Series Green 50mm Green Filter: 16x300"
Astrodon Ha 1.25 3nm: 12x1200"
Astrodon Red Tru-Balance E-Series Gen 2 Red filter: 16x300"
Integration: 8.0 hours
Avg. Moon age: 9.28 days
Avg. Moon phase: 69.63%
Bortle Dark-Sky Scale: 3.00
Astrometry.net job: 1605069
RA center: 263.334 degrees
DEC center: -32.364 degrees
Pixel scale: 3.289 arcsec/pixel
Orientation: -51.471 degrees
Field radius: 2.407 degrees
Not too many images of this object out there... actually I couldn't find any!
So here's a two panel HaRGB mosaic of Sharpless Sh2-12 & 13 (aka Gum 67 & 68, RCW 132) featuring M6 created with data all gathered one clear and very cold night in Kilmore, country Victoria, Australia. Moonset was at 1am so it was Ha before 1am and RGB afterwards.
It's an overlooked feint-ish target, but it's rich in Ha and has some pretty interesting Dark tower-like extrusions in Sh2-12 (the big one) and a Masterchef style Ha plate wipe in SH2-13 (the smaller one).
Very happy to get the entire data set in a single clear night, despite mist lurking and fog threatening!
Hard to keep the motivation going to get up at 1:30am for the Meridian flip and again at 4am to finish the second panel of the mosaic with the temperature at a chilly 1degreeC. Brrrrr...
Ah - the joys of manual Ap with a mac - No auto plate-solving or Meridian flips for this guy!
2 Hrs Ha x 20min subs, 40mins ea RG&B x 5 min subs ea. per panel.
I'm slowly getting better at processing HaRGB, but as always C&C are welcome :)
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