Filter: Custom Scientific H-Alpha 4.5nm
16x900" bin 1x1
Custom Scientific H-Alpha 4.5nm: 14x1200" bin 1x1
Integration: 8.7 hours
Avg. Moon age: 3.54 days
Avg. Moon phase: 13.54%
Astrometry.net job: 86218
RA center: 324.604 degrees
DEC center: 57.736 degrees
Pixel scale: 7.085 arcsec/pixel
Orientation: 95.461 degrees
Field radius: 1.168 degrees
Locations: 3RF Comanche Springs Astronomy Campus, Crowell, Texas, United States; Abilene, Abilene, Texas, United States
The Elephant Trunk Nebula
HaRGB, Ha:14X1200s, RGB:16X900s
Cameras: SBIG STF-8300M/Custom Scientific 4.5nm filter, Celestron Nightscape 8300C
Telescopes: AT65EDQ (Ha), WO 81GTF (RGB)
Mounts: Takahashi EM-10 & NJP
Location: Abilene, Texas (Ha), 3RF CSAC (RGB)
Dates: May 14, 2013 (Ha), Sept 9, 2013 (RGB)
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