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| Classification: |
Reflection Nebula, Dark Nebula |
| Constellation: |
Orion (ORI) |
| Object Location: |
Ra 05h 07m 48s Dec -03° 19’18” (current) |
| Size & Distance: |
NGC1788 8.0 x 8.0, LDN1616 10.0 x 8.0 Apx 1300 light years |
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| Date & Location: |
01-13-2018 Little Blair Valley, CA |
| Exposure: |
LRGB 180, 40, 40, 40, L=12x15, RGB=4x10m ea. (bin 1x1) |
| Optics: |
Telescope Engineering Company APO180FL @ f/5.23 using an Astro-Physics TCC160 F/L 941mm. |
| Mount: |
Astro-Physics 1200 GTOCP4 / ATS 10x36 pier. |
| Camera: |
FLI-ML16200 G1@-25c / FLI CFW2-7 / FLI-Atlas focuser / Guided by SBIG ST-I / w OAG. |
| Filters: |
Astrodon G2 LRGB |
| Software: |
MaxImDL 6.10, Photoshop CS5, CCDStack, Topaz Labs. |
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| Notes: |
Sky conditions: Average to soft seeing, Calm winds, Temp range 38°-43°
Image Field of view is 94.6 x 77.1 arcmin.
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NGC1788 is Reflection Nebula in Orion, LDN1616 is a Dark Nebula and appears to be part of NGC1788. There is also many PGC galaxies in the field as well. Very top just right of center PGC 3080775, Upper left PGC 16636, and a cluster lower right PGC 146990, 146987, 146981, 146999. There is also an Iridium Flare, center left, and what looks to be a spinning satellite or space junk lower center.
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