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Contains:  IC 4592, IC 4601, The star Graffias (β1Sco), The star β2Sco, The star νSco
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Blue Horsehead, 


            Dennis Sprinkle
Blue Horsehead
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Blue Horsehead

Technical card

Dates:July 26, 2019

Frames: 23x300"

Integration: 1.9 hours

Avg. Moon age: 23.51 days

Avg. Moon phase: 35.67%

Basic astrometry details job: 2865997

RA center: 16h 13' 27"

DEC center: -19° 10' 15"

Pixel scale: 11.202 arcsec/pixel

Orientation: 179.365 degrees

Field radius: 2.695 degrees

Resolution: 1440x963

Locations: Marathon Motel and RV Park, Marathon, TX, United States

Data source: Traveller


Shot while visiting the Marathon Motel and RV Park in Marathon,TX. This was the system I was using in the observatory there but pulled it out to do some upgrading. This was shot in the field right before we left.

This is (23) 300s subs at a gain of 2200.
Camera: QHY128C
Telescope: Stellarvue SVQ86
Mount: iOptron CEM25P



Dennis Sprinkle

Sky plot

Sky plot


Blue Horsehead, 


            Dennis Sprinkle