Hemisphere:  Southern  ·  Contains:  14 nu. Sco  ·  8 bet01 Sco  ·  8 bet02 Sco  ·  B40  ·  B41  ·  Graffias  ·  IC 4592  ·  IC 4601  ·  IC4592  ·  IC4601  ·  Jabbah  ·  Scorpius  ·  The star Graffias (β1Sco)  ·  The star β2Sco  ·  The star νSco  ·  VdB101  ·  VdB102  ·  VdB103
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Blue Horsehead, 


            Dennis Sprinkle
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Blue Horsehead

Imaging telescopes or lenses: Stellarvue SVQ86

Imaging cameras: QHYCCD QHY128C

Mounts: iOptron CEM25P

Software: PixInsight  ·  Photoshop  ·  PHD2 Guiding  ·  Sequence Generator Pro

Dates:July 26, 2019

Frames: 23x300"

Integration: 1.9 hours

Avg. Moon age: 23.51 days

Avg. Moon phase: 35.67%

Astrometry.net job: 2865997

RA center: 16h 13' 27"

DEC center: -19° 10' 14"

Pixel scale: 11.201 arcsec/pixel

Orientation: -179.615 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