Hemisphere:  Northern  ·  Constellation: Virgo (Vir)  ·  Contains:  IC 3258  ·  IC 3311  ·  M 84  ·  M 86  ·  M 87  ·  NGC 4351  ·  NGC 4374  ·  NGC 4387  ·  NGC 4388  ·  NGC 4402  ·  NGC 4406  ·  NGC 4413  ·  NGC 4425  ·  NGC 4431  ·  NGC 4435  ·  NGC 4436  ·  NGC 4438  ·  NGC 4440  ·  NGC 4458  ·  NGC 4461  ·  NGC 4473  ·  NGC 4476  ·  NGC 4478  ·  NGC 4486  ·  The Eyes
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Technical card

Imaging telescopes or lenses: Astro-Physics 130 EDFGT  ·  William Optics GTF 81 Five Element APO

Imaging cameras: SBIG STT-8300M  ·  ZWO ASI1600MM-Cool

Mounts: Astro-Physics Mach1GTO

Guiding telescopes or lenses: Astro-Physics 130 EDFGT

Guiding cameras: SBIG CFW8G

Focal reducers: Astro-Physics 2.7" Photograph Telecompressor 0.75

Software: Software Bisque TheSkyX Professional  ·  Stark Labs Nebulocity 4  ·  Adobe Photoshop 6 CS  ·  PixInsight

Filters: Astrodon Blue Tru-Balance E-Series Gen2 31mm  ·  Astrodon Red Tru-Balance E-Series Gen2 36mm  ·  Astrodon Blue Tru-Balance E-Series Gen2 36mm  ·  Astrodon Green Tru-Balance E-Series Gen2 36mm  ·  Astrodon Green Tru-Balance E-Series Gen2 31mm  ·  Astrodon Red Tru-Balance E-Series Gen2 31mm  ·  Astrodon Luminance Tru-Balance E-Series Gen2 31mm  ·  Astrodon Luminance Tru-Balance E-Series Gen2 36mm


Dates:April 21, 2017April 22, 2017April 29, 2017

Frames:
Astrodon Blue Tru-Balance E-Series Gen2 31mm: 18x480" (2h 24') (gain: 139.00) -10C bin 1x1
Astrodon Blue Tru-Balance E-Series Gen2 36mm: 21x480" (2h 48') -20C bin 1x1
Astrodon Green Tru-Balance E-Series Gen2 31mm: 17x480" (2h 16') (gain: 139.00) -10C bin 1x1
Astrodon Green Tru-Balance E-Series Gen2 36mm: 21x480" (2h 48') -20C bin 1x1
Astrodon Luminance Tru-Balance E-Series Gen2 31mm: 22x480" (2h 56') (gain: 139.00) -10C bin 1x1
Astrodon Luminance Tru-Balance E-Series Gen2 36mm: 29x480" (3h 52') -20C bin 1x1
Astrodon Red Tru-Balance E-Series Gen2 31mm: 27x480" (3h 36') (gain: 139.00) -10C bin 1x1
Astrodon Red Tru-Balance E-Series Gen2 36mm: 24x480" (3h 12') -20C bin 1x1

Integration: 23h 52'

Darks: 14

Flats: 20

Bias: 100

Avg. Moon age: 17.57 days

Avg. Moon phase: 20.92%


Basic astrometry details

Astrometry.net job: 1559765

RA center: 12h27m10s.8

DEC center: +12°5103

Pixel scale: 1.499 arcsec/pixel

Orientation: 355.598 degrees

Field radius: 1.276 degrees


Resolution: 5000x3539

Locations: Home Yard, Valley Center, California, United States

Description

Two-part mosaic. One weekend of data centered on M84 plus half a night of data centered on PGC 41136.

Each night data were acquired with an SBIG STT-8300MM attached to an AP130GT with a ~0.8X telecompressor and a ZWO ASI1600MM-Cool attached to a WO81GT centered on the same location. The FOVs for the two setups are close in size, allowing parallel data acquisition. I don't know if there is some SNR loss trying to register and integrate CCD and CMOS data together in a single processing workflow, however.

Some area was lost due to imperfect rotational alignment of the cameras between the two weekends.

Comments

Revisions

  • Final
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    Original
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            Antonio.Spinoza
    B

Sky plot

Sky plot

Histogram

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            Antonio.Spinoza